Spray sunscreens are even worse than we thought: a laboured analysis

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  • čas pƙidĂĄn 2. 08. 2024
  • Sunscreen sprays seem like the perfect way to reapply sunscreen. But how effective are they? I did some experiments to find out, and the results were pretty shocking.
    đŸ€“đŸ“– MY BOOK! The Science of Beauty geni.us/TheScienceOfBeauty
    Subscribe for videos every fortnight: bit.ly/labmuffinyt
    0:00 Intro
    0:33 Why sprays are tricky
    2:33 Where does the spray go?
    5:04 More complicatedness: Volatile ingredients
    8:49 How much lands on your face?
    10:37 What if you try really hard?
    14:53 What if you try even harder?
    17:21 Even coverage?
    18:45 Aerosol sprays are
 worse
    22:27 What we learned
    Aerosol spray studies: www.arpansa.gov.au/sites/defa..., www.arpansa.gov.au/sites/defa...
    Powered By Chemicals Mugs: labmuffin.com/shop/
    đŸ™‹đŸ» I'm Michelle, a chemistry PhD, cosmetic chemist and science educator, here to explain how beauty products work, debunk myths, and help you make smarter decisions about your skincare, hair and makeup!
    Website labmuffin.com
    Instagram / labmuffinbeautyscience
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  • Jak na to + styl

Komentáƙe • 811

  • @lygophilia4127
    @lygophilia4127 Pƙed 23 dny +1360

    "plus he wasn't really spraying the spray like a normal person." This is how I describe things my husband does, as well. 😆

  • @dehosyt
    @dehosyt Pƙed 23 dny +814

    You could tell her scientific background with how critical she is with every one of her experiment and how convoluted she has to be to figure out and solve every flaw

    • @LabMuffinBeautyScience
      @LabMuffinBeautyScience  Pƙed 23 dny +304

      It's the PhD trauma, you get used to having to defend every conclusion you make in front of a row of very nitpicky academics who may be working on competing projects 😅

    • @rosmarbal
      @rosmarbal Pƙed 22 dny +27

      ​@@LabMuffinBeautyScience LOL PhD trauma. 100% true 😱😆

    • @ap3he
      @ap3he Pƙed 18 dny +8

      @@LabMuffinBeautyScience as a fellow PhD girly I really FELT this comment. Thanks for all your hard work - this is a symposium level body of work 😅

    • @qwmx
      @qwmx Pƙed 16 dny +6

      ​@@LabMuffinBeautyScience​​IT'S NOT TRAUMA. THIS. IS.CRITICAL.THINKING.
      Sorry, my bad. I was an ex-wannabe researcher and while I do think like you, I don't see enough of this thinking in the general populace. It's normally those in specialised fields that think like this.

    • @carochan86
      @carochan86 Pƙed 10 dny

      I love it.

  • @tavolinov.8857
    @tavolinov.8857 Pƙed 23 dny +946

    Tbh the results are insane-. I expected It wouldn't be good but I really did not expect it would be THIS bad...
    And it's not like I would ever think "Yeah!! It's so REASONABLE and USER FRIENDLY! Obviously I NEED TO SPRAY IT 180 TIMES to MAYBE get enough protection from this!!"

    • @LabMuffinBeautyScience
      @LabMuffinBeautyScience  Pƙed 23 dny +110

      @@tavolinov.8857 Right?? I absolutely did NOT expect these numbers!

    • @maimee1
      @maimee1 Pƙed 23 dny +45

      I think it's always known to be a less optimal amount of protection, but maybe we shouldn't use this delivery method until we have SPF 150 labeled or something.

    • @asuka-ryo
      @asuka-ryo Pƙed 23 dny +9

      ​@@maimee1 SPF higher than SPF 50 doesn't offer much protection difference (to SPF 50). That's why most brands don't bother to create sunscreens with higher SPFs.

    • @werm3169
      @werm3169 Pƙed 22 dny +81

      ​@asuka-ryo Not so. Higher SPF compensates for imperfect application (see: applying half the recommended amount of sunscreen halves the SPF; therefore, higher SPF sunscreens will provide higher SPF when applied poorly) and would compensate for the very imperfect nature of sunscreen sprays, too. The reason why brands don't make sunscreens with SPF higher than 50 is because doing so often requires using higher concentrations of UV filters and/or film formers, which becomes cosmetically inelegant as fuck really fast. There's a lot of effort that has to go into making a high SPF sunscreen that people actually want to use

    • @maimee1
      @maimee1 Pƙed 22 dny +5

      @@werm3169 That's exactly what I was thinking. Thanks for explaining lol

  • @D0B3RW0M4N
    @D0B3RW0M4N Pƙed 23 dny +494

    GIVE ME THE SCIENCE MICHELLE IM READY

  • @user-rh6ru5oz2o
    @user-rh6ru5oz2o Pƙed 23 dny +606

    The research design stuff is every bit as interesting as the sunscreen information

    • @LabMuffinBeautyScience
      @LabMuffinBeautyScience  Pƙed 23 dny +101

      I wanted to make sure everyone could feel my pain đŸ˜©

    • @ruaoneill9050
      @ruaoneill9050 Pƙed 21 dnem +14

      ​@@LabMuffinBeautyScience you succeeded! We appreciate your sacrifice

    • @christenh359
      @christenh359 Pƙed 19 dny +2

      This is fantastic.

    • @carochan86
      @carochan86 Pƙed 10 dny

      ​@@LabMuffinBeautyScience your too entertaining for it to be painful.

  • @mv848
    @mv848 Pƙed 23 dny +873

    OMG the best channel ever. I believe in science. That's how you move forward in life. No BS! Science, numbers, math......

    • @laurenemerick4350
      @laurenemerick4350 Pƙed 23 dny +76

      *cough cough* you also need philosophy! Critical thinking, parsing arguments, articulation skills, ethics, etc. 😊
      Science without critical analysis and bioethics results in things like eugenics. đŸ€ź

    • @littleprettyfairy
      @littleprettyfairy Pƙed 23 dny +50

      @@laurenemerick4350yeah as a bio major i think humanities are actually more important. but when it comes to stuff like spf, science is what really matters. bc if you dont listen to the science here u end up with those ppl who think eating meat is enough to stop u from getting skin cancer

    • @laurenemerick4350
      @laurenemerick4350 Pƙed 23 dny +20

      @@littleprettyfairy for sure! Just shouting out philosophy. 💕 I suppose my response was meant to iterate that more than science is necessary for “moving forward in life.” Certainly we must work with other fields! That’s why we have the phil science ppl. Hahaha

    • @mv848
      @mv848 Pƙed 23 dny +18

      @@laurenemerick4350 You are so right. Thank you for a lovely response. We would be (obviously) monsters w/out morality, ethics...

    • @fab0527
      @fab0527 Pƙed 23 dny +6

      But does science believe in you? đŸ€”

  • @janette6
    @janette6 Pƙed 23 dny +342

    Poor Omar, what a good sport. The toilet sheet was hilarious!

  • @seanvalentinus
    @seanvalentinus Pƙed 23 dny +249

    okay, so i’ve gotten a toilet seat, hung it around my neck, and sprayed sunscreen up both nostrils. that should pretty much cover me for the day, right? do i have to keep wearing the toilet seat all day, or can i take it off?

    • @LabMuffinBeautyScience
      @LabMuffinBeautyScience  Pƙed 23 dny +193

      @@seanvalentinus You keep wearing it all day, and add a new one every morning

    • @maleahlock
      @maleahlock Pƙed 23 dny +12

      😂​@@LabMuffinBeautyScience

    • @nanb7017
      @nanb7017 Pƙed 20 dny +14

      @@LabMuffinBeautyScienceI laughed out loud at this comment - Perfect.

  • @ER__783
    @ER__783 Pƙed 23 dny +211

    I cackled with laughter at imperial heathens, I felt seen and attacked all at once hahaha. Loved this video. Greetings from USA.

    • @katschrader1482
      @katschrader1482 Pƙed 8 dny +4

      😂 Same. Brought me joy every time she came for us. It’s just nice to be thought of
 đŸ€Ł

  • @knowledgehunter_
    @knowledgehunter_ Pƙed 23 dny +249

    Hands down! Sunscreen Queen of Internet. I think since covid period I started to watch your videos. Heavily educational. Love love love that. Thank you for all your hard work.
    Also I have observed that many doctors, estheticians, influencers started to preach after watching your videos but unfortunately people don't give you that credit.
    Btw Imperial heathens. Lollllllll 😂😂😂

  • @splendidcolors
    @splendidcolors Pƙed 21 dnem +47

    My favorite use of stick sunscreen is to prevent hair dye from staining my face. I hadn't been using it as sunscreen because I couldn't apply it evenly enough and it was visibly whitish when I used enough. But it was on my counter when I dyed my hair purple for the first time in years so I tried it as a stain block. It turns out to be easy to apply to the face, neck, and ears and effectively prevented hair dyes from staining my skin. (I know petroleum jelly is what people usually use, but it's difficult to apply around the hairline without smearing it into my hair, and hair that touches it gets coated and won't take dye.) I realize the SPF ingredients are irrelevant to hair dye blocking, but the waterproof "dry finish" base was useful.

  • @lumina56
    @lumina56 Pƙed 23 dny +116

    Me and my bff were in a debate about whether sprays or sticks were better to use (especially for replications) turns out we both were wrong LOL

    • @heatherburke9583
      @heatherburke9583 Pƙed 21 dnem +14

      Whats best is the option you'll actually use

    • @aharrypotterfan5951
      @aharrypotterfan5951 Pƙed 2 dny

      @@heatherburke9583 why are you acting like people can only use one, lotion sunscreen is not anywhere near hard enough to apply to where the MAJORITY of people will stop using sunscreen if they can’t use anything else, sprays and sticks are just half-decent alternatives

  • @chaoticpoodle
    @chaoticpoodle Pƙed 23 dny +52

    The best sunscreen is the one you'll use. If it takes wasting 80% of the product to get my parents to wear ANY amount of sunscreen, so be it. Though, I do wish SPF was measured under conditions that even vaguely resemble typical use

    • @LabMuffinBeautyScience
      @LabMuffinBeautyScience  Pƙed 23 dny +81

      Yes and no - there are studies showing that if people think they're a lot more protected than they are, it changes their behaviour i.e. more sun exposure without additional protection. Given how much is lost with sprays, it's not that different from assuming the SPF in your makeup is enough and you don't need a dedicated sunscreen.

    • @ThuTran-el4hv
      @ThuTran-el4hv Pƙed 23 dny +26

      The "the best sunscreen" quote is the result of research on liquid sunscreen not spray sunscreen. Tbh based on Michelle's test results, I'd say just wear a larger hat and ditch the spray bottle.

    • @emmao6578
      @emmao6578 Pƙed 20 dny +8

      Is there really no way of getting them to use a decent basic suncream? I've always hated sprays for various reasons so am obviously biased but I just don't get what benefits sprays have? Especially when applying to the face, having to close your eyes and avoid breathing in while awkwardly trying to make sure you're still spraying at your face is just so much worse than applying a cream to your face like any other moisturiser.

  • @kaw8473
    @kaw8473 Pƙed 23 dny +64

    Wild coincidence! We are having a heat wave in our area and I actually questioned the spray I was applying. Thankfully CZcams has grown telepathic and recommended the exact video I needed.

  • @sonjaforrester9255
    @sonjaforrester9255 Pƙed 23 dny +96

    I will never buy spray again. I didn't like it before but allowed my child to use it for reapplication on the body. But it doesn't provide good enough protection. Boy will he be mad. Thank you for all this very hard work.

  • @giochacon8354
    @giochacon8354 Pƙed 23 dny +130

    LOVE HOW GEEKY this is !!!! thank you for ALL your efforts.

  • @sophiafbezerra4231
    @sophiafbezerra4231 Pƙed 23 dny +183

    I'd love to see a video on SPF lib balms

    • @spac3jam514
      @spac3jam514 Pƙed 22 dny +5

      Yesss please!

    • @misskiwi5460
      @misskiwi5460 Pƙed 22 dny +4

      🙏🙏🙏🙏🙏

    • @amyamy8177
      @amyamy8177 Pƙed 22 dny +5

      yes plz

    • @amyamy8177
      @amyamy8177 Pƙed 22 dny +5

      anecdotaly i feel like something like avene spf 50+ than lrp xl sunstick if you use that on your lips because avene is much more greasy so it feels like it build more on itself but hinestly would love some testing of a few spf 50+ lips balms!

    • @mashilda7921
      @mashilda7921 Pƙed 21 dnem +4

      yeah! most of them that I can find are like 15 spf. and they don't really have much instructions

  • @KittySheep
    @KittySheep Pƙed 23 dny +70

    This all really explains why I got burned so much as a kid, and have moles popping up so much. I was expected to spray my own sunscreen, without any adult help, for as long as I can remember. I thought that getting burned even with sunscreen was just expected. Thankfully I use lotions and protective clothing now.

  • @QTKLo
    @QTKLo Pƙed 23 dny +85

    Ten years ago, my kids got bad sunburns while we were on vacation. We were using aresol spray sunscreen. We haven't used sunscreen in that form since that day.

  • @giselioliveira630
    @giselioliveira630 Pƙed 21 dnem +48

    I am brown, I use chemical sunscreen which avoids white cast. I don usually reapply sunscreen (it's too expensive for me) but when I do, like when I am at the beach or outside for too long e use a cushion foundation sponge to reapply. It doesn't scratch my face with sand nor mess up my makeup underneath.

    • @lasagnasquare5604
      @lasagnasquare5604 Pƙed 7 dny +2

      Omg that’s so smart!

    • @swish043
      @swish043 Pƙed 4 dny +2

      That is smart as hell. I think I have a silicone makeup cushion somewhere...

  • @ahoam
    @ahoam Pƙed 23 dny +46

    Another reason why spray sunscreens are appealing: I'm a dark-skinned woman who struggles to find and afford traditional sunscreens that don't make my skin look ashy, using sprays removes that issue

    • @carochan86
      @carochan86 Pƙed 10 dny +4

      Have you tried" sheer " sunscreens? I'm pail so it just makes me look more ghostly .

    • @khxliakhxlia3605
      @khxliakhxlia3605 Pƙed 9 dny +10

      Yeah I use sprays but spray it on my hand then apply to face

    • @nentendomofo
      @nentendomofo Pƙed 8 dny +3

      Black girl sunscreen is great cerave is okay

    • @drezhb
      @drezhb Pƙed 7 dny +5

      Could it be that the reason you don't see the issue when using sprays is because not enough product gets on your skin?

    • @ahoam
      @ahoam Pƙed 7 dny +9

      @drezhb no, it's cus the sprays are transparent

  • @TheOneAndOnlyZouzaa
    @TheOneAndOnlyZouzaa Pƙed 23 dny +175

    So basically it’s not worth using sunscreen sprays as a form of reapplication, best to stick to cream based sunscreens

    • @kikiTHEalien
      @kikiTHEalien Pƙed 23 dny +36

      It's better than nothing

    • @CaptDF97
      @CaptDF97 Pƙed 22 dny

      @@kikiTHEalien unintuitive as it may sound, it might be worse than nothing, not because the spray doesn’t provide protection, but because it provides inadequate protection and at the same time gives people a false sense of protection from the sun, i.e., people think that they have enough sunscreen on so they spend more time in the sun.

    • @TheOneAndOnlyZouzaa
      @TheOneAndOnlyZouzaa Pƙed 22 dny +74

      @@kikiTHEalien hmm the thing is this is what I used to think too, but based on the results of this experiment and the amount of money you’re paying per bottle; it isn’t worth the outcome. You’d have to spray a ridiculous amount to get the spf on the label and that’s basically half of the bottle gone. And that’s IF all the spray is hitting your face properly

    • @lrizzard
      @lrizzard Pƙed 22 dny +64

      @@kikiTHEalien i remember hearing that it is actually not better than nothing since people would be avoiding the sun instead if they knew they weren't protected.
      can't cite anything though.

  • @persapphone
    @persapphone Pƙed 23 dny +43

    Cant believe i sat here for 20 minutes with my short attention span. You have a way to really keep people’s attention and your videos and posts are always so informative and interesting!

    • @user-gu9yq5sj7c
      @user-gu9yq5sj7c Pƙed 23 dny +1

      There are buttons on the screen where you can increase the speed of videos or put on subtitles.
      You can just listen while you're doing other things.

    • @PredictableEnigma
      @PredictableEnigma Pƙed 21 dnem +3

      Patience is like a muscle, not an inherant quality. You exercise it and it gets easier and easier and requires less effort ❀ anyone can slowly lengthen thier attention span by allowing themselves to be uncomfortable with the inital boredom until the discomfort fades

  • @ellis7796
    @ellis7796 Pƙed 23 dny +144

    I never spray directly on my face. I was taught to spray it in my hands and then rub it on my face.

    • @AlwaysAmTired
      @AlwaysAmTired Pƙed 21 dnem +16

      Mine says to do just that on the label

    • @mysticfox1663
      @mysticfox1663 Pƙed 21 dnem +56

      Yeah that's how you're supposed to do it but it seems she's basing it off how much people on social media use it and people using it to not ruin any make up. So they wouldn't be rubbing it on with their hands.

    • @splendidcolors
      @splendidcolors Pƙed 21 dnem +74

      @@mysticfox1663 I don't see the point of buying a spray product to spray it on my hands and transfer it to my face. If it needs to be applied by hand, I might as well squeeze or pour it on my hands and avoid getting overspray all over. I can also apply it with my fingertips instead of wasting it on my whole hands.
      And I don't want overspray all over my clothing! I wouldn't mind it on my hair, ears, and decolletage because they need SPF too. But I don't want it on my clothing. I don't want it leaving oily marks on my clothes that may or may not wash out but certainly look bad while I'm away from home.

    • @caitthecat
      @caitthecat Pƙed 21 dnem +26

      ​@@mysticfox1663You're supposed to spray it on your hands? What's the point, then?

    • @emmao6578
      @emmao6578 Pƙed 20 dny +16

      @@splendidcolors Honestly I'm just glad to find other people who see all the reasons spray sunscreens are such a ridiculous product, I find them really annoying and have never understood why so many people I know default to buying the spray option

  • @Stephstar80
    @Stephstar80 Pƙed 23 dny +84

    Your book, is about to arriiiiiiiiivvveeeeeee!!!!!!!!!........ First Book in ECUADOR đŸ‡Ș🇹 đŸ€— ❀

  • @MariaPetrescu
    @MariaPetrescu Pƙed 22 dny +17

    Just ordered your book for the city library in Gothenburg, Sweden! Can't wait!

  • @lhmcd5538
    @lhmcd5538 Pƙed 23 dny +16

    It’s so refreshing to have someone not trying to really dumb things down when discussing something important like sunscreen. Thank you Michelle. I do appreciate it. Heathens đŸ«ŁđŸ€­ May you all please take care and stay safe. Louisa. đŸ‘đŸ‘đŸ‘â€ïžâ€ïžâ€ïžđŸ€©đŸ€©đŸ€©

  • @twiggyvlogs6441
    @twiggyvlogs6441 Pƙed 23 dny +16

    I got so badly burnt my first time on Bondi beach because i was doing top up sunscreen with the spray and it was getting blown away and super patchy application. Lesson learnt.

  • @raygin6581
    @raygin6581 Pƙed 23 dny +176

    Michelle đŸ‘đŸ» for đŸ‘đŸ» nobel đŸ‘đŸ» prize đŸ‘đŸ» 2024

  • @SaranshV
    @SaranshV Pƙed 23 dny +42

    I'm in India and FINALLY I'll have The Science of Beauty in my hands this Saturday!!! Cannot wait!!

  • @albertqhumperdinck
    @albertqhumperdinck Pƙed 23 dny +13

    Michelle, you are a gift to the world. Omar is a pretty good sport too! He looks like one of those bread cats with that paper halo! For real though, you always manage to thread the needle of scientific accuracy (like SERIOUSLY PREVENTING CANCERS!) and not only in a funny or entertaining way, but also (I would argue more importantly than even being funny) in a way that doesn`t exclude or alienate people who *don`t like science* and turn away from what they might find intimidating. I just can`t say enough nice things about everything you`ve done on the internet! Standing ovation!

  • @AnthonyLago
    @AnthonyLago Pƙed 23 dny +25

    I love when you discover you are correct because that means we get the Final Fantasy battle victory sound clip and I never tire of that!!

  • @snowballeffect7812
    @snowballeffect7812 Pƙed 23 dny +13

    We used bananaboat spray and to apply to the face, we would spray onto our hands and then apply like a lotion onto our face. obviously this gets rid of any benefit of not messing up your makeup, but it felt like it was a good application method.

  • @brownsugarissupreme
    @brownsugarissupreme Pƙed 2 dny +2

    I admire how she also showed the mess in science that is conducting experiments. This is also really thorough and I like how you also included experiments conducted by other researchers too

  • @alicegaiba
    @alicegaiba Pƙed 23 dny +15

    14:48 I was today years old when I found out that wind exists. Science is amazing

  • @Vallie352
    @Vallie352 Pƙed 5 dny +2

    This is the most PhD thing ever. I remember when my best friend was going through her neuroscience phd, it reminds me of some of how she’d described how she did her experiments. Love it so much. I can’t wait to read your book!

  • @jameslozano6913
    @jameslozano6913 Pƙed 23 dny +10

    I love seeing the thought process behind the experiment design

  • @670Kai
    @670Kai Pƙed 23 dny +6

    This is honestly the best channel ever. Also, that sarcastic Daria-like humor, love it.

  • @lilncheese588
    @lilncheese588 Pƙed 23 dny +13

    Just wanna say I absolutely love your book, I recommend it to everyone that asks me about skincare. Thank you for putting so much effort and dedication into educating us. ❀

  • @J_Mock92
    @J_Mock92 Pƙed 23 dny +11

    I think we can all agree that sprays suck, but are still better than _nothing_ I guess... I used to HATE when my Mom would rub sunscreen lotion on me as a kid (not everyday, but anytime we were at the pool or played outside for a while). My brother didn't like it either, but I think he mostly complained about having to reapply more often to prevent burning (he got her super fair skin and would burn up real quick without it, while I tanned easily like our Dad). I'm glad she forced us to suffer through at all though, because I don't think I ever burned as a kid, and my brother very rarely did.
    I can't handle most sunscreen sprays. I have a couple of aerosol ones, and a couple of pump mist bottles meant for the face, but I don't actually enjoy using them lol. I can't use the aerosol ones without feeling like I can't breathe (even just on my body), unless I'm outside or something, and can't use the face mists without wearing tanning goggles to prevent them from getting too close to my eyes (I don't use tanning beds, but used them for the Red Light Therapy and Spray Tanning Booths at my gym). That's actually a good tip btw.... If you _do_ still choose to use a spray sunscreen for _whatever_ reason, then putting tanning goggles on before spraying will help keep it out of your eyes with minimal disruption to your makeup. It's just annoying as hell, like sprays in general đŸ€·

  • @rosehipowl
    @rosehipowl Pƙed 23 dny +14

    I recently saw a hair and scalp sunscreen spray that I was intrigued by, especially as a very pale lady terrified of burning. I wasn't going to buy it for a multitude of reasons (too expensive, don't wash my hair everyday, would probably need help getting my entire scalp covered), but this has definitely added another one to that list! I will just continue to not go outside đŸ€™

    • @sapphireblue4031
      @sapphireblue4031 Pƙed 21 dnem +7

      or get a hat ^^

    • @Poemi10304
      @Poemi10304 Pƙed 21 dnem +2

      Get clothing with UPF 50!

    • @swish043
      @swish043 Pƙed 4 dny

      Long flowy linen clothing, sun gloves, and a hat! It also feels cooler than having your skin in the sun. Just no artificial fibres.

  • @tinasung3814
    @tinasung3814 Pƙed 23 dny +36

    One difference between paper face mask you used to test the spray coverage and an actual human face, is that the paper face mask is flat, where a human face has curvatures which likely will get even less coverage than the date you collected on the face mask.

    • @LabMuffinBeautyScience
      @LabMuffinBeautyScience  Pƙed 23 dny +18

      Yep, it presents more of a rectangular profile to the spray rather than an oval - I didn't talk about this but I did try to contour it a bit more, but it was too variable between different masks and probably was more hassle than it was worth. Any mist floating of during the funnel measurement would also increase the calculated % hitting the mask - so very much the best case scenario!

    • @user-gu9yq5sj7c
      @user-gu9yq5sj7c Pƙed 23 dny +6

      I also wondered if paper absorbs the spray more than skin.

    • @LabMuffinBeautyScience
      @LabMuffinBeautyScience  Pƙed 9 dny +4

      Absorption isn't relevant for this measurement, because we're only looking at mass - the mass of sunscreen landing on the "face" will be the same whether it stays sitting on the surface or absorbs, because of the law of conservation of mass (unless the absorption is so bad that the spray drips off the skin and you lose mass that way).
      The paper is only used to see where the spray landed, so it's just important to ensure that the mass retained would be the same for the paper funnels and the paper masks.

  • @minacayy
    @minacayy Pƙed 23 dny +9

    I appreciate your and your assistants efforts to educate us

  • @lecocoabean1432
    @lecocoabean1432 Pƙed 23 dny +3

    Love the tenacity and science! I bought your book science of beauty the day it came out; it sits in my salon blowing the minds of people who are waiting!

  • @WinterAutumn559
    @WinterAutumn559 Pƙed 23 dny +7

    Much respect for your dedication to this experiment.

  • @sweetcarolineq
    @sweetcarolineq Pƙed 23 dny +9

    The results are shocking! I’m now reapplying by gently patting my liquid sunscreen and wearing less foundation or skipping it altogether especially when I know I’ll be outside and need to reapply. Can you also test the efficacy of sun cushions??

  • @ace.of.space.
    @ace.of.space. Pƙed 23 dny +5

    huge respect for all your sacrifices

  • @ThePiggiestOne
    @ThePiggiestOne Pƙed 23 dny +12

    I just went sunscreen shopping up to about 2 hours ago and I remember seeing the sunscreen sprays and thinking "what would Michelle think about these?" I remember you saying if you use the spray, you must still rub in it. I checked the ingredients (Malibu SPF50+ for example) and I saw a high concentration of Denatured Alcohol. While I have no problem with some alcohol in my products, alcohol being the first listed ingredient is not negligible.
    Thanks for all the information, Michelle. You're really helping me sound smart outside.

  • @marln2157
    @marln2157 Pƙed 23 dny +1

    the way you mentioned your book (which I already have and am currently enjoying btw)! :D your humor is just the best.

  • @amy3620
    @amy3620 Pƙed 22 dny +2

    10/10 obsessive in-depth content :D I bought your book as soon as the video finished. Plus, I just love a scientist who gets distracted counting, its very relatable.

  • @DiverBen116
    @DiverBen116 Pƙed 23 dny +1

    I just got your book as a birthday present from my partner and I am overjoyed 🎉🎉 you just nail making complex topics so easy to access and enjoyable to read ❀❀ I feel like I learn something every video I watch and keep coming back to understand more and more the science behind sunscreeen and skincare

  • @richm1981
    @richm1981 Pƙed 18 dny +2

    Interesting results, I discovered aerosol a year ago and still think it’s the best thing since sliced bread!!! Yes it’s expensive & the can doesn’t last long, but the spf50+ 4 hours water resistant, works just as well , gets into places my fingers would miss, Keeps my hands clean, and is fast, I’ve gotten burnt less since I started using it

  • @klosettchen
    @klosettchen Pƙed 23 dny +1

    Love your work and am always happy when I see a notification! Thank you :)

  • @emptiheadspace
    @emptiheadspace Pƙed 23 dny +4

    GIIIIIRL I want more of these tests I loooooooved this!

  • @YT-ly5px
    @YT-ly5px Pƙed 23 dny +1

    I just got a spray sunscreen and I was looking on your channel because I was wondering if you did any experiments, and lo and behold a few days later you upload this! Thank you so much for your rigorous experiments answering important questions for us

  • @sonaku1
    @sonaku1 Pƙed 22 dny +2

    Thank you for doing this!! We see your effort to get the most precise results!

  • @sal_alaa
    @sal_alaa Pƙed 23 dny

    The effort you have put in is astounding

  • @zmiye
    @zmiye Pƙed 23 dny +1

    Your book has just arrived and it looks so amazing! Thank you for it😊

  • @franciscolodix1214
    @franciscolodix1214 Pƙed 23 dny +7

    I bought your book hehe. One question, that maybe was answered in the video, but don't have the time now. But why wait 24h for the product to dry for sprays? They don't have the same problem as Aerosols that a big percentage of the product is propellant, and when they are tested the propellant is taken out. So the formula is tested as a whole, without drying out anything. That means that the non-volatile part of the Spray could have double or more the concentration of "spf" compared to the mix of them . Normal lotion would also lose weight after drying up, probably even more than half the weight in some cases.

  • @LauraLVTGW
    @LauraLVTGW Pƙed 23 dny +1

    I am so impressed with your tenacity!!!
    I appreciate all your hard work, your honesty and your personality. Many blessings!!!💖💖💖

  • @christyredelman
    @christyredelman Pƙed 11 dny +1

    I love that you said you lose count all the time. I relate so hard.

  • @Orchidaceous1
    @Orchidaceous1 Pƙed 23 dny +1

    Your dedication is amazing! I love the thoroughness. 👏

  • @gnparticle
    @gnparticle Pƙed 21 dnem

    Your dedication to science(and this channel) is mind boggling. Thank you Michelle!!!!

  • @Sleipnirseight
    @Sleipnirseight Pƙed 9 dny +3

    Boost! I appreciate all the work and education you do!

  • @veroniquedusabe513
    @veroniquedusabe513 Pƙed 23 dny +1

    Thank you for all the info shared on your channel!

  • @farahdibasonda6708
    @farahdibasonda6708 Pƙed 23 dny +1

    Another insanely genius video. Michelle! The skin care community would be so incomplete without you!

  • @TheMayra1393
    @TheMayra1393 Pƙed 23 dny +1

    This is fantastic! I bought one a few weeks ago and I tried to use it on a windy day at the beach. Immediately I realized it was a terrible idea and changed to a normal one. Thanks for the science ❀

  • @deannyc
    @deannyc Pƙed 23 dny +1

    I just got your book in the mail :) thank you for your work!

  • @tyrennosaur
    @tyrennosaur Pƙed 23 dny +1

    Thank you for suffering for us and making this brilliant video! I just ordered your new book, can't wait to read it :)

  • @JasonAtlas
    @JasonAtlas Pƙed 2 dny +1

    I live in Scotland. Last time we saw the sun my family thought a meteor had come to destroy earth and we fled into heather. I am now for some reason invested in sunscreen.

  • @chouliha1
    @chouliha1 Pƙed 23 dny +4

    This heathen appreciates the analysis 😊Science is key!! I use a mixture of things and have some body sprays. This helps me make better decisions moving forward

  • @mollyprincessandHIM
    @mollyprincessandHIM Pƙed 22 dny

    This explains so much. A couple of years ago I had a job that was partly outside and even though I religiously reapplied my spray sunscreen I noticed new freckles and my sunspots getting worse. Thank you for your efforts!

  • @annemienuyts
    @annemienuyts Pƙed 23 dny +1

    Was literally just about to order a spray sunscreen today... glad I saw this in my sub feed!

  • @KAlSA
    @KAlSA Pƙed 23 dny +11

    Thank you Michelle! ❀ I love you and your super videos 🎉

  • @Rosemallow
    @Rosemallow Pƙed 18 dny

    I just came here to say, I bought your book, I have audio version and I hope to get the print version too! I became a facialist because of you I love skincare science it’s a fun hands on hobby for me (I’m in the social sciences) 😊 I’m so excited at your growth and to see you enjoying what you do. Congratulations

  • @3pagesmanquantes
    @3pagesmanquantes Pƙed 23 dny +3

    Thank you SO MUCH for all your work, you are wonderful!

  • @3451namine3451
    @3451namine3451 Pƙed dnem +1

    I didnt expect the results to be good, but never this bad. Its scary how bad the results are, especially since its so much marketing saying this is a good way to apply or reapply sunscreen

  • @TheJuneYaj
    @TheJuneYaj Pƙed 23 dny +1

    I absolutely love your channel and the information you put out. I’ve learned so much! Thank you!

  • @alexalittle
    @alexalittle Pƙed 16 dny

    Your commitment to public science is awesome! Thank you so much for taking all that time and effort to answer a really important question that affects a lot of us! ✹

  • @db-gb5xi
    @db-gb5xi Pƙed 23 dny +4

    Thanks for the deep dive and effort and for thinking about us heathens.

  • @Sharpclaw2000
    @Sharpclaw2000 Pƙed 3 dny +1

    thank you omar for helping in this experiment!

  • @ElzaraIsmE
    @ElzaraIsmE Pƙed 23 dny +1

    Looooved this video! So much work went into it! I'm impressed and thankful for your dedication to science. It sounds so bad that I don't see a point in buying sunscreen sprays in the first place. Just gentle reapplication works great. Yes, it might slightly mess up my makeup, but I'm not on a photoshoot every day, and I can always wear long-wearing makeup underneath.

  • @EmyN
    @EmyN Pƙed 21 dnem +1

    The queen has graced us again with more sunscreen experiments!! đŸ€©đŸ€©

  • @annecathymoore3810
    @annecathymoore3810 Pƙed 23 dny +3

    Yay, I was just wondering about this! ❀

  • @lilyivey5933
    @lilyivey5933 Pƙed 7 dny

    first video i've ever watched of yours! loved the breakdowns and just how thorough you were. thank you for furthering science with your experiments and additionally helping spread important information

  • @bear3279
    @bear3279 Pƙed 23 dny +15

    before i watch i just wanna say i always run to your sunscreen videos theyre so informative and thorough đŸ©·

  • @moahavande
    @moahavande Pƙed 23 dny +1

    Your videos never disappoint! Thank you!!!

  • @ellenojala9985
    @ellenojala9985 Pƙed 19 dny

    Thank you for your incredible dedication to delivering us the best science and videos ❀

  • @ThankYouVeryBlush
    @ThankYouVeryBlush Pƙed 20 dny

    Michelle for the win once again ❀ I’m glad I waited for a video like this before buying a sunscreen spray, thank you!!

  • @kookyzebra6550
    @kookyzebra6550 Pƙed 21 dnem

    I love how accessible you make science ❀

  • @Tathy_Pikachu
    @Tathy_Pikachu Pƙed 22 dny

    Shocking results! Btw, I’ve got your book and it’s been amazing reading it! 📚😊

  • @BruteUsBuckeye
    @BruteUsBuckeye Pƙed 17 dny

    Thank you for this. I just got the Naked Sunday's spray and I've been going crazy with it and your testing just showed it's doing almost nothing. I will not repurchase thanks to you. I'll continue with my sticks which, thanks to you, I count 5 swipes for each area of my face. Your channel helps MORE THAN YOU KNOW! Please continue the great work ❀❀❀

  • @AlwaysAmTired
    @AlwaysAmTired Pƙed 21 dnem +2

    I wonder about rash guards. Like, they advertise specific spf but what does that mean? Will it stop working after some amount of time in the sun? Does the protection wear out over time with laundering them? I'd love to see a video on protective clothing.

  • @mnilbydntkt
    @mnilbydntkt Pƙed 21 dnem +27

    When it comes to discussions about makeup and sunscreen reapplication, our priorities are misplaced. Instead of focusing on finding sunscreens that work with makeup, we should be asking, "How do you reapply makeup over sunscreen?" Choose makeup that's compatible with sun protection, not the other way around. Just like I adjust my hairstyle to fit my sunhat, we need to adapt our routines for proper sun protection.
    EDIT: To clarify, I do wear both sunscreen and makeup. I've found the best approach is lightweight, cream/liquid formulas applied with clean hands. I wear Hamilton Everyday Face SPF 50+ sunscreen on most days.
    My sunscreen-friendly makeup routine is Glossier cloud paint for cheeks and eyelids, NYX Jumbo highlighter stick, long-wearing lip liner with QV Face Lip Balm SPF 30+ (reapplied). I also carry cotton swabs for touch-ups on mascara or eyeliner đŸ©·

    • @FreshFlamingo
      @FreshFlamingo Pƙed 17 dny +16

      Right, that’s because the answer is “you can’t” unless your goal is 7 layers of makeup sandwiched between 7 layers of cream sunscreen you reapply every few hours over the makeup. Literally 0 people are doing this. So, a better way still needs to be found.

    • @mothturtle7897
      @mothturtle7897 Pƙed 15 dny +2

      The long lasting sun screens (~10 hours) might be the answer but I don't know how effective they actually are ​@FreshFlamingo

    • @mnilbydntkt
      @mnilbydntkt Pƙed 2 dny

      ​@@FreshFlamingoWell yes, I have reapplied sunscreen and makeup all day. It's doable with lightweight, cream/liquid makeup applied with clean hands.
      You can't maintain full glam makeup with proper sunscreen reapplication-but even full glam needs touch-ups on hot or humid days.
      A sheer liquid blush, lip color, and mascara are manageable even with heavy sunscreen reapplication. Touch up as needed, like you would with lip products.
      Or buy a UPF50+ Balaclava or sun hat that comes with a face cover from Solbari đŸ€·â€â™€ïž

    • @mnilbydntkt
      @mnilbydntkt Pƙed dnem

      ​@@mothturtle7897 Michelle did a video + blog post on a 6-hour sunscreen! Blog post is called "DO THEY WORK? EVY 6-HOUR SUNSCREEN, DERMABLEND DROPS IN SPF"-definitely check it out if you haven't already !

  • @KW-cv5me
    @KW-cv5me Pƙed 8 dny

    Thank you for all the hard sciencing, I loved how you over analyzed all different aspects of the experiment.

  • @daphne8406
    @daphne8406 Pƙed 23 dny +2

    The tests really made me giggle, your lovely assistant sure is a good sport 😂

  • @carolannf
    @carolannf Pƙed 22 dny +1

    This was fascinating Michelle! I think you may have to start listing your makeup products too because your lipstick is always so beautifully glossy 💋🇩đŸ‡ș

  • @myla4444
    @myla4444 Pƙed 23 dny +9

    i was researching this yesterday and didn’t find anything like this!!!

  • @TammyYaKnow
    @TammyYaKnow Pƙed 23 dny +2

    Thank you!! This is an amazing video!!

  • @gthktty666
    @gthktty666 Pƙed 22 dny +1

    brb building a helga pataki style shrine in my cupboard dedicated to your big beautiful brain. i love this video so much. you're incredible!