How to Protect Your Skin Against UVA | Lab Muffin Beauty Science
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- Опубликовано: 1 июн 2024
- UVA is the new UVB! What's the difference, what does it do to your skin (hint: hyperpigmentation, wrinkles and cancer) and how can you protect your skin from it?
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In this video:
* What are the different types of UV?
* What does UVA do to your skin?
* What do PPD, PA, broad spectrum mean on sunscreens?
* Which sunscreen filters protect best against UVA?
* How else can we protect ourselves from UVA?
ERRATUM: At 6:30, it should be 10% or more of the area under the curve needs to lie ABOVE 370 nm for the critical wavelength criteria.
Blog post with more info here: labmuffin.com/fact-check-why-...
References
Gordon JR & Brieva JC, N Engl J Med 2012, 366, e25. doi.org/10.1056/NEJMicm1104059
Sayre RM et al., Photodermatol Photoimmunol Photomed 2008, 24, 218-20. doi.org/10.1111/j.1600-0781.2...
Wang SQ et al., J Am Acad Dermatol 2017, 77, 42-47. doi.org/10.1016/j.jaad.2017.0...
Osterwalder U & Herzog B, Photochem Photobiol Sci 2010, 9, 470-81. doi.org/10.1039/b9pp00178f
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Lab Muffin Beauty Science is a channel by me, Michelle - I'm a chemistry PhD and beauty lover, here to explain how beauty products work, debunk myths, and help you make smarter decisions about your skincare, hair and makeup!
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Blog post for this video with more info: labmuffin.com/fact-check-why-...
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Q: What do you look for in a sunscreen?
For me the most important considerations are high UVA protection (yay hyperpigmentation-prone life), light texture and lack of white cast.
My main would be something non sticky and that doesn't pill under makeup. So far my best has been EVY face mousse, which gives a really soft moisturising, and I'm currently trying out the Heliocare oil free version which is supposed to be dry touch and I find that buffing my foundation on top is a no go 💩
Both are broad spectrum :)
High UVA and a formula that does not clog pores or pill! Yeah and no perfume please.
UVA ++++
It is hard to find a sunscreen that offers a high UVA protection and doesn't leave a white cast!
9:05 best uva filters: avobenzone when stabilized, zinc oxide when in high %.
10:29 new stable uva filters: Tinosorb S, Tinosorb M, Mexoryl XL (L'Oreal, LRP)
10:44 more new stable uva filters: Uvinul A Plus, Mexoryl SX, Neo Heliopan AP.
10:46 some old filters also protect against uva: oxybenzone, octocrylene, titanium dioxide.
I have installed UV blocking films on my windows. Some places can cut them for you and let you install them yourself. It's easy and not that expensive. It's better to get indoor films since they last longer.
Nicki Pelazza Wow, thanks for the tip! I’ll have to look into it! 😲
Nicki Pelazza I’ve never heard of these! Can you get them for your car window?
@@daniella4889 Yes, but since car windows are usually not perfectly square or rectangular, it will be easier to have someone install them for you!
Nicki Pelazza damn i’m surprised this isn’t more of a thing overseas, in asia , specifically southeast, we tint everything from house windows to car windows 😂 literally everyone tints their windows! Then again the 365 sun here is brutal compared to y’alls weather
@@maann89 Yo! Which SEA country are you from? I'm from Malaysia. And yes, we tint all glass windows be it car, houses or office buildings. I'm also a huge fan of blackout curtains. lolol
Thank you for properly educate us on sunscreen and sun protection in stead of making us believe that the higher spf sunscreen offers the longer you can stay safely under the sun.
if anyones interested in looking for a sunscreen, Klairs Soft Airy UV Essence (SPF50 PA ++++). it doesnt use zinc oxide/titanium dioxide (no white cast!) & uses Diethylamino Hydroxybenzoyl Hexyl Benzoate (Uvinal A Plus, 10:30 in video). also, its light & isnt oily.
another similar one that has Uvinal A Plus is Kose Sekkisei White UV Gel (SPF50+/PA++++ ) but one of the main ingredient is alcohol which may be a turn off for some
both are asian brands (korean & japanese respectively)
She’s like Dr Dray but more normal and down to earth, kudos and I love watching her channel. Very informative!
I understand her videos better than Dr Dray's to be honest, she puts captions in her videos and the way she talks makes it more easily understood
...and actually knowledgeable and intellectually curious.
I also watch dr dray and enjoy her info, but she insists that the percentage of zinc or titanium in a mineral sunscreen does not matter (a 2% = a 22% ; I’m like, really?!?!). I find it hard to trust this specific thing she says. The girl in this channel said that the highest the percentage the better, and to me this makes much more sense. I really like my current sunscreen (CoTZ untinted for sensitive skin) it has 20% zinc oxide only and doesn’t give me a white cast and I’m not white!
indeed
greentree labmuffin really never says that more active ingredients == higher protection! This is actually a common misconception people use to predict the spf or uvapf of sunscreens based on percentages given for the active ingredients. It depends a lot more on things like the formulation, manufacturing, stabilization and inactive ingredients. So dr Dray and labmuffin are both in the right :p
I am loving channeling my inner nerd watching your videos. It’s so refreshing in these brainless social media streets.
Okay calm down Einstein
brainless social media streets HAGAHAHHA, you must be so superior to say that
A very comprehensive video. UVA protection isńt something I cared about back in the days (well, no one really did), and I can see the effects on my skin clearly.
I am your new fan since I landed on your blog a week ago. It's loaded with information. Thank you.
I love how you provide all the graphs of wavelengths and things like that. really helps.
OMG, you are the voice of reason. I just subscribed... keep up the good work!
Another fab, informative video, Michelle!!!
That blush looks so good on you.
I've watched a ton of videos on sunscreen, yet I learned a lot from this video! Thanks :D
Please a video or a post about best uva protective sunscreens!!🙏🙏
I love love ur channel ❤️
I love love love your videos! It's the first time I've seen videos that explain all things sunscreen in such detail. As someone with melasma, you've been so helpful in educating me about the sun and sunscreen. So many of the questions that I've had running around in my head/on lists have been touched upon in such wonderful detail. If you had the time, I would love for you to do one on Hyperpigmentation. Thank you for all your hard work!
Please do a video of recommended sunscreens with high ppd. This would be so helpful!
I would love a video on indie skin care brands and if we can trust their SPF claims in their sun screens. How do companies test their products to determine their SPF levels? Thanks so much!!
You are soooooo funny! Thank you so much for making these informative and humorous video, you beautiful thing!
Wow! super informative video based on science and facts. Great job!
What an insanely helpful video! Thanks for doing all this research and translating it for us non-sciencey folk.
I always learn so much from you 💕 love your channel ❤️
i can listen to you all day
Omg thank you so so much for this video. It's so informative I loved it
Such a great video! Thank you for all the work you put into this
Thank you for this video!! Can you do a video on layering sunscreens? Like which ingredients shouldn't go together.
I'm currently using two different physical sunscreens because one is hydrating but expensive and another one is decently priced but is quite drying, so I put the hydrating one on first and then when it dries I put on the second one. This way I don't have to use too much of the first one and still have enough to get the stated SPF
Thank you for making sharing information based on science. We need more gals like you on RUclips!
HI Michelle. Could you do a video on whether Epsom salts really help with facial acne. Thanks
I have learned so much from you!
Loved the dramatic intro 😄♥️
Thank you , that was so informative. Have you checked out Japanese sunscreens like Biore, Anessa, etc...if so what do you feel about them?
I love your channel, and I regret that I only stumbled upon it AFTER I burned my skin pretty badly haha. I’d really appreciate a video about PIE (post inflammatory e-something) because the aforementioned chemical burn gave me pretty bad PIE. Thank you so much! I love your calm voice & thorough research. ❤️
I think it's erythema but not sure😅
Just found your account! Thank you for that great video
You are my favorite blogger. Thank you for your knowledge that you share with us.
PS and I'm a pigment factory too 😄
Hi! Could you please make a video explaining self-tanners?
Can you please make a video on red light therapy? 😁😁😁
Michelle, can you talk about probiotic skincare and whether it can be combined with other things like Vitamin C. I haven't been able to find anything saying whether it's ok to mix those two... Thank you!
Why is the US sunscreen market so narrow minded and stringent. Like are they being too cautious? l I've been hearing about their sunscreen regulations for years.....
I wonder too... but I guess it's one thing the US lags behind is skincare. Still since sunscreens aren't just cosmetic they are also protection from skin cancer it's really far behind. L'oreal did get Mexoryl SX approved, not sure why they haven't used it more, the only SPF they have is SPF15
They just want Americans to get cancer and look old.
@@jamiemohan2049 😂😂😂
Can you please list down your favourite/holy grail sunscreens? And why? Kinda like Dr Dray. Please pretty please. Love u!
Hello! I was wondering if you could make a video about fermented rice water . Apparently is good for face and hair too and I would like to know your opinion. I remember in one of your videos you siad that sometimes the natural sources of vitamins and nutrients are not as effective as chemical ones. And j would like to know your thoughts xx
I like to have the right information from the source, good u r here
I think the universe send you to me
To stop bugging her asking for answers for this kind of questions
Like the silicon video , thank you it was great
😮 very technical, but informative.
Thank you, Michelle! I learn so much from you. I absolutely love your videos! Is there a way to check if I have put on a sufficient amount of sunscreen or to check the coverage before reapplying?
I mean like uv light or some gadget i can shine on myself?
Hope you could make a video about the best broad spectrum sunscreens (asian/western) with the best longer wavelength UVA protective ingredients you've mentioned here! :D
Have you discussed nano zinc before? One of my favorite American sunscreens uses it but I'm wondering if it truly protects me since it leaves virtually zero white cast on my dark skin. I'm happy I found your channel btw!
The problem with nano zinc is that it maxes out around 380nm, so it doesn't cover the whole Uva1 spectrum, sadly.
Thanks I am a sunscreen nerd too. I have had Lupus for 30 years and I have felt like Dracula. So glad "no tan" is now a healthy look. Super UV sensitive even lights at WalMart. Can window tint stop UVA rays? Yes, dependent on black out factor?
La Roche Posay XL Anthelious is the only sunscreen that doesn't irritate my skin. I have Rosacea so my skin is hypersensitive.All other sunscreens made me break out.I also have oily skin. I couldn't pass the summer if it wasn't for La Roche Posay. The only thing I don't like about is it contains fragnence but it is subtiel.
I live in Australia and I only use Australian sunscreen. The brand I used Ultraceuticals SPF 50
in the way we are treating the environment... i fear the ozone layer is taking a beating and we will have to worry about uvc waves in the future... 😓
It is extremely agravating that there are products in the US claiming broad spectrum protection when the only filter is octinoxate. For example Lancome Skin Feels Good foundation and L'Oreal Infallible longwear stick foundation. I dont know how they get by with this unless they are not required to prove efficacy because they are categorized as foundations rather than sunscreens. It also seems that companies like Shiseido are calling products with only titanioum diozide broad spectrum. I have read that titanium dioxide filters UVB but only UVA2. Is that correct?
I’ve seen that kind of broad spectrum claim, too. Doesn’t seem to make sense! 😕
That's the problem with the critical wavelength criteria - you don't need much protection to pass it, especially at low SPFs. You can see the titanium dioxide graph in the video - it gives a teeny tiny bit of UVA1 protection (although for inorganic sunscreens it depends on particle size as well). I wouldn't rely on makeup as sun protection anyway!
@@LabMuffinBeautyScience I wouldnt rely on make up either because no one in their right mind would put on enough foundation toget the specified SPF. If sunscreens have to be tested in the US to clain efficacy at a specific SPF I can only assume that this is not required if the product is not classified as a sunscreen but rather as a CC Cream or tinted moisturizer.
This is a wonderful backgrounder, Miss Muffin.
I thought I'd chosen effective sunscreens but now I realize I have to start again.
I'm also impressed by how well you deliver such dense information with an uhm or a pause. Thank you for the time and thought that goes into your preparation.
Thank you! I'm so glad you found it useful :)
Can you do a video on blue light?
This is really helpful, thanks :) Can you make a video where you show some of your favorite sunscreens that are effective with blocking UVA?
Planning to do a sunscreen review video soon! In the meantime I have a bunch listed here: labmuffin.com/my-sunscreen-mini-review-spreadsheet/
I have Discoid Skin Lupus (an autoimmune disorder triggered by UVA) and tend to develop lesions on my ears, eyebrows and hairline. I wear a broad rimmed hat in the car and on cloudy days.
OMG I LOVE YOUR HAIR
Have you made a video about protection from LED lights and monitors. I noticed that sunscreen products like supergoop are adding ingredients for protection from our devices.
Great video as always! Thanks for all your research, time and effort :)
Do you have a list anywhere of high UVA protection sunscreens? Fellow pigmentation sufferer :'(
As long as you buy your spf in the EU, Australia or asia, there will be UVA protection. If you are in the US, look out for the UVA blockers in your ingredients.
I have a bunch of sunscreens in this spreadsheet, but a lot of them are Australian and may not be available in your region - also keep in mind that my skin's needs may not be the same as yours! labmuffin.com/my-sunscreen-mini-review-spreadsheet/
@@LabMuffinBeautyScience You are a legend! I'm Australian so this is absolutely perfect. Thank you!
@@bbappzz98 so Neutrogena sunscreen brand is bad?😣
Gotta love the chimineyyy
Australian sunscreen question! Do you know if the Bondi Sands mineral sunscreen for body provides effective UVA protection? You mentioned in your other video that more zinc oxide needs to be in mineral sunscreens to protect better against UVA, however I'm not sure whether this product gives me that.
Hi Michelle...as far as I have been able to research it appears some Bioderma and La Roche-Posay have the highest PPD I can see documented. Would you agree ? Or are there other brands...very frustrating the PPD isn't on all sunscreen labels! Thank you
Wonderful overview of sunscreen! It certainly can get complicated. I didn’t wear sunscreen for years because I have oily skin and didn’t want to aggravate any acne. But, I have found some wonderful Japanese sunscreens on Amazon that are very light and have SPF 50++++. I wear them every day. Better late than never, eh?
Asian sunscreens are amazing!! Also cheaper in my case, and they're applicable under makeup unlike the sticky gloopy US sunscreens
What’s the name of the sunscreen?
Tati P - Rohto Skin Aqua is a good one, as is Shisedo Senka Aging Care.
I like the Hada Labo Gel sunscreen.
I too have oily skin and I really disliked the sunscreen that felt oily and left a white cast -_-
Thank you for the great information. I just wish we could get decent sunscreens in the US!
It's so disappointing how long it's taking!
Michelle, I love your blog and youtube channel ! Could you suggest when someone should start anti-aging treatments like vitamin C serums and retinoids(apart from sunscreen of course)? I have been on accutane for acne and then applying differin for 2-3 years now (Im 25 yrs old). My friends say it's too early but anti aging is all about prevention, right?! What is your opinion?
In your 20s is a perfectly good time. I will mention though that you're already using a retinoid btw because adapalene (brand name Differin) is a vitamin A derivative. You could also always ask your dermatologist though just to make sure. Also, yes prevention is easier than treatment.
I read that u start using vitamin c serum at the age of 18 and the retinol at age 25
Do you have any sunscreen recommendations for people that live in the us??
@Hammypie the coolibar swimming hat with face cover is the only way I've found to prevent myself from tanning during driving
Hi Michelle. Just want to ask as I work in Cardiac Cath Labs and we primarily use Ionizing radiation in every procedure. Does this type of radiation cause premature skin aging as well? If yes, does applying sunscreen help to mitigate ionizing radiation?
Thanks in advance and your videos are very educational.
I use an American 20% SPF sunscreen moisturizer on my face most days, but I mostly focus on covering up. I usually wear long sleeves and a hat in the sun. I don't wear sunglasses too often. How well do hats work as sun protection for the face?
Would layering a sunscreen with a lower zinc oxide percentage give you more UVA protection? Or is it just smarter to use a sunscreen that already has a higher percentage?
Body shop spf is great. Surprised no one mentions it
A Brecknell It contains high amounts of alcohol and propblematic fragrant ingredients.
Great video! Which sunscreen are you currently using? I live in Australia too and currently struggling to find a good one! I am trying to avoid ones containing oxybenzone, as I've read in papers it has a few side effects.
I have a bunch of sunscreens in this spreadsheet, mostly Australian, but of course what works for me might not work for you: labmuffin.com/my-sunscreen-mini-review-spreadsheet/
In terms of side effects, sunscreens don't have many unless you're allergic to a specific filter. The hormonal effects are pretty insignificant according to the current evidence :)
I am in the US and use a sunscreen from La Roche-Posay, but from the ingredients list, it doesn’t look like it includes the Mexoryl ingredient you mentioned. Is that only available in versions of the product sold in other countries but not in the US? Or is it under another name?
I didn’t know my black light was a potential risk 😬 which UVA ingredient works the best? Or are they pretty much the same?
Thank you!
Are Tinosorb M and Uvinul A Plus photostable for a long time? Would they last as long as Titanium Dioxide and Zinc Oxide? Reply would be appreciated
I use the SolRX Clear Zinc sunscreen which works great for my skin and going out it has 10% Octocrylene 7.5% Octinoxate and 15% Zinc Oxide non nano, is the Zinc Oxide percentage high enough?
about medial grade skin care... does it have a better and unique delivery system in comparison to over the counter skincare? the info im getting is that most of them have a patent on their formulation and the way the active ingredients are being delivered to ur skin and that they have to prove that they work in order for fda to approve and call it a medical grade. in over the counter skin care they dont have to prove anything meaning they dont have to do crap in order to get on the shelf and that the medical regulations are not allowing over the counter products to penetrate deeper then first layer of skin
I've been using sunscreen for a while and hadn't known all this!!! Instantly checked mine and found it to be pa+++ so I just lucked out lol
so... What brands do you suggest then after all that, because it feels like they're all bad :(
www.chemistwarehouse.com.au/buy/84804/cetaphil-sun-spf-50-kids-lotion-150ml?rcid=1976 The best formulation I have been able to find. I use it for hiking as usually I have no option to hide through the middle of the day (I would never get anywhere on time if I tried).
They are lol
Great a sunscreen from abroad but I recommend you go to BeautyBay
They carry some nice European sunscreens
@@moritlh did you ship from them.? Are they good
Is this sunscreen an American one?
Can you pls 🙏explain what damage there is from wearing sunscreen that can out-weight the pros of wearing sunscreen at UV 3 and lower? Is it the harm from sunscreen components or something else like not enough UVB exposure?
Could you layer chemical and physics sunscreens? Or would that cause them to be less effective? Like I’ve always been a zinc oxide girl. And I use a zinc oxide sunscreen and tinted sunscreen. But I want to try the Shiseido Anessa Aqua Boost Mild so I could use the new filters that are great for UVA like Tinosorb S. But I don’t want to not use my zinc oxide at the same time. So is it okay to layer then. Like apply the chemical sunscreen wait an hour or so and apply the zinc oxide?!
Can you talk about upf clothing?
I’m confused about sunscreen chemical ingredient percentages...? How much tinosorb s or m should we be looking for?
So many Asian sunscreens don’t show the percentages
LRP ultra light contains corn starch...what is your opinion on this sunscreen?
Also I must say, you are a very pretty “nerd”! I really enjoy your straight to the point videos
Hi Michelle, do UV nail lamps have a significant amount of UV? Would you recommend wearing sunscreen on the hands if I am a frequent user/making some type of protective glove 😅
Thank you for this video! ❤ Can you tell us more about the percentage of zinc oxide? How can they label a 3% and 20% zinc sunscreen both with SPF50 when one does contains so little. I'm confused!
I’m disappointed this question has not been answered. I’ve been wondering the same thing. Dr Dray says it doesn’t matter, but I have a hard time believing that.
I have the same question… I have one sunscreen that has 4% ZO with that is 50 SPF and other that has 9% ZO and way more chemical filters and says its 30 SPF… I don’t understand
Srry for the late answer, but sometimes SPF and sun protection in general, doesn't come just by the ingredient name, zinc oxide can come in many sizes and forms, also, there could be other molecules in your sunscreen that helps to raise that number, there are a lot of factors to take consideration, not just 1 ingredient concentration.
Does blue light from mobiles, tablets, laptops etc cause damage to our skin? If yes, which sunscreens / sunblock topical items should we use?
So what constitutes a higher amount of zinc oxide? I’ve seen some say above 20% to get a higher UVA protection. Is that accurate?
i remember loooong time ago i read ur blog post about asian peeling gels where u rub it on ur skin and it supposedly exfoliates it and breaks up dead skin so it balls up on the surface. i think u tested it out with oil on a non skin surface like glass. it turns out something in the gel was forming solid balls with the oil on our skin?
Hi! You are the best youtuber ever! I have two questions I would be grateful if you answer me. If we use an anti pollution serum (like Niod's survival 0 or Emulsion Hydratante Jour & Nuit Anti-Pollution 24h) before our sunscreen, the film of our sunscreen is compromised and its effectiveness too, since it contains some silicones that remain on the skin?
And the last question is do you think this sunscreen (Simply Zinc Ultra Sun Whip SPF 50) is a good one? Do you think the coating is stable?
Tshirt jaune Shouldn’t your sunscreen be fine as long as you let your serum dry before you put the sunscreen on?? I mean, a lot of us put makeup, maybe even primer, on top of our sunscreen, so I would think that would have more of an effect than the products underneath....
Thank you! I talk about layering products with sunscreen here: ruclips.net/video/XULpx1jaREo/видео.html
Unfortunately it's impossible to predict if sunscreens are good from the ingredients - for a stable coating, you can look for water resistance regulation.
@@Poemi10304 Hi!
Thanks for your answer. When I put my makeup I'm always scared that my sunscreen's film is compromised.
But you are right I think the products underneath have less impact. I asked myself this question because these serums form an anti-pollution shield that stays on the skin, I wondered if the film of sunscreen would not have any problem to be formed in a homogeneous way
(Sorry for my english)
@@LabMuffinBeautyScience Thanks
why don't you have more subscribers?! More people need to be enlightened by your smarts!
I am enjoying your videos so much and follow you on Instagram & Facebook. I look forward to every one. This is a silly question...but, I MUST know what lip color you have on!!!!!
Thank you! I think it was Manna Kadar Liplocked in XOXO with a lip gloss on top.
@@LabMuffinBeautyScience Thank you! You're a sweetheart!
Thoughts on upf clothing??
I feel so educated now...
So La Roche Posay ultra light anthelious xl spf 50 isn't a good sunscreen? Which sunscreens are the good ones? Can you do video about sunglasses how to find a good ones?
Kitty Cat oh no...why isn’t it good? It’s the one I use...although it’s a tad bit greasy for me.
whyy???
Hi there, I was wondering if you knew whether or not avobenzone covers up to 400 nanometers of UVA. I was trying to find out online but what I could find is that it’s peak is around 360. I’m just not sure if it stops absorbing at 360 nanometers or if that’s just where it is strongest and still reaches 400 nanometers, just a lower protection.
I would like to know if the UVA protection level of SUNPRISE MILDA AIRY FINISH protector is good. The packaging says: PA+++, which is between 8 and 16, but if it's 8, I consider it low.
Thans for the video. I do have a question that I could not answer until now: as I have read of the total amount of UV rays reaching the earth, 95% is UVA and 5% UVB & this "composition" remains constant during the day and year. But does the total amount of UV rays change during the day and year? And if yes, how much? Because if it does, then the absolute amount of UVA (although it remains 95%) would also vary.
Any Oz peeps looking for a body sunscreen. I've been enjoying Cetaphil's Sun Kids Liposomal Lotion SPF50+. It has Uvinul A Plus, Uvinul T 150, Octinoxate and both Tinosorb S & M. I also like the pump and the other skincare in it (panthenol, glycerin, aloe vera and vitamin E)
Katherine Molloy I liked the ingredients in this but it was way to greasy for me! Ended up using it for body only
Yeah, me too. I described it as a body sunscreen because I I've found that a lot of the kids ones (cancer council, sunsense) are too shiny on the face.
Katherine Molloy oops sorry you did too. Yes agree great as a body sunscreen!
Does canada require 1/3 SPF in UVA to be considered broad spectrum or just the critical wavelength criteria mentioned
So does this mean sunscreens that contain avobenzone are just worthless? Because I don’t like how thick physical sunscreens are and I like how lightweight chemical sunscreens feel. I’m not really sure what to do anymore.
Are US chemical sunscreens good as long as I reapply and they have sunscreen filters that stabilize avobenzone? Because I don’t know how to get European sunscreens
I wanna know how the helioplex technology translates in real life. The 5 hour protection sounds amazing but I'm still nervous when using a sunscreen that only contains avovenzone (and oxybenzone).
I saw someone telling that a product from Neutrogena tested an 18 uva protection. Is that an amount of time or cuantity of rays blocked?
Avobenzone in microencapsulated sunscreen i use should i still move to tinosorb r advanced filters
Do you get enough UVA protection? For example, I found that my hyperpigmentation faded much faster once I switched to Tinosorb-containing sunscreens. If it's fine with your current sunscreen then it's probably not worth switching.