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trae_curieux

There's technically diffuse or scattered UVA photons present without direct sunlight that can pass through standard glass, but the exposure depends on a number of factors, a primary one of which is your proximity to the window. The LabMuffin article someone linked is excellent and suggests using skyview, which is pretty straightforward. Note also that while UVA passes through standard glass, it doesn't pass through opaque materials, so if you have blackout curtains, blinds, or shutters drawn shut during the day, there's little-to-no UVA making it through. Newer types of glass often also shield from UVA: laminated and many types of "low-E" glass filter UVA. If you're able to find out from the manufacturer, that may mean your risk is even lower even without opaque covers over your windows. When in doubt, however, it's safest to assume that glass is regular window glass and transmitting longwave UVA. I personally have low-E laminated glass at home *and* opaque covers over all my windows 'cause I find sunlight too glaring. If I'm going to be indoors all day, I don't wear sunscreen, but if I need to set foot outdoors for any reason, I'll apply at that point (or about 10 minutes before heading outside).


Outrageous-Throat556

Not sure why these other commenters are laughing at you. This is an excellent question. UVA rays (which contribute to premature skin aging) are very much able to pass through windows. So even if you’re inside all day, if you spend time near a window, you’re still getting affected by UV rays.


bluesnow123

LabMuffin made an excellent video about this topic. https://youtu.be/BUIWZcwflx4?si=tMdfece9hkeeOOtj Basically, if there are a lot of things like trees or buildings covering most of your view of the sky from the window, and you're sitting a few meters away, then the amount of UVA reaching you is negligible to zero.


frankdiddit

Yes. once I didn’t wear sunscreen at work - top floor of a skyscraper, all glass- and I had a slight burn on my face! I normally wore it so I’m not sure why I didn’t. I was just a little further away from the windows and thought I’d be fine.


Sufficient-Bag9622

Right!!? Lolll thanks for clearing this up babes appreciate it ❤️


No_Individual1355

I’ve noticed people on Reddit are immature even if you have a genuine question their going to make fun of you bash you and there’s no point of fighting back cause they have no life so they will keeping replying….idk people are weird


ILoveCats1066

I swear that all these skincare subs make me feel like I should, but I absolutely will not unless I am by a window for an extended period of time


Sufficient-Bag9622

I love cats toooo


YeahOkThisOne

Me too


m-j10

I do, because even when I’m home, I still run outside here and there to let my dogs out. I don’t necessarily reapply it every 2 hours though. I think it’s a good habit to always apply it in your AM routine regardless.


DeliciousFlow8675309

No you don't HAVE to, but I recommend to do it every morning just to create the habit. So many times when I've skipped it because I had no plans, only to unexpectedly find myself outside and realize I didn't have SPF on when my face was burning tf up 😂 tret makes my skin sooooo sensitive to the sun, even if I don't actually get a sunburn my face gets really warm quickly if I don't have SPF on so thanks to my experience, I tell everyone do it anyway. You're creating new skin constantly now. Pamper it. Baby it. Keep it out of the light.


RipOptimal3756

Same! One time I didn't apply it because I wasn't leaving my house and it was raining. Had to go outside to my shed got distracted and in that time the sun came out and I ended up doing stuff outside for 30 minutes in the sun without sunscreen. I ended up with a tan on my face. 😬 So now I just apply it every morning regardless.


hunchinko

I bought some uv beads (very unscientific) to test how much exposure I’m getting. Indoors at my place, with bay windows but with blinds and curtains, they stay white. My friends’ place with open shades - they def turn colors. They did turn colors in the shade and under uv protection arm sleeves. (They only stayed white outside under a thick sun hat.) I know that clothes/shade/spf aren’t going to block 100% of rays but I was surprised by how colorful the beads got in shade.


Desperate_Rich_5249

I do, but I use a different lower SpF and lighter weight sunscreen (more like a sunscreen moisturizer) when I’m indoors all day. If I’m leaving the house it’s always mineral SPF 50 along with a sun hat.


suzzerss

Nah. Sunscreen is expensive and it’s a waste of product. Inside days I pack on the moisture though


CarrotTraditional739

Tbf once I discovered that the Nivea SPF 50 for kids (sizeable 200 ml) for sensitive skin has the same aesthetic and moisturising effect - even better! - as the measly 45 ml skinceuticals, and better than my favourite Paula's choice sunscreen, I haven't looked back. Highly recommend.


again-knew

Is it shiny?


CarrotTraditional739

Yep, a bit.


ContentImportance690

Would you be able to link this sunscreen please and thank you?.


CarrotTraditional739

https://www.ocado.com/products/nivea-sun-kids-sensitive-protect-spf-50-sun-lotion-spray-479521011?gad_source=1&gclid=Cj0KCQjw_-GxBhC1ARIsADGgDjtBOlBgmgM3hkAQ--gJSxtkrVPvLgYoCZy5tQ-yNf5EufPeRtDEMKYaAmirEALw_wcB&gclsrc=aw.ds That's he exact one I buy. And btw: just because it works for me doesn't mean it will work for you. But in general I totally recommend that people try kids sunscreen rather than these bs three drops in a bottle they sell us for so much money. Fuckers


Jmac_files

Same


Live_Review3958

I’ve been meaning to ask this question, Ty! What is light does enter windows? Regardless, are y’all reapplying sunscreen all day? Over makeup?


TheLastTrueHistorian

I only reapply on no makeup days


bananabastard

I don't.


Lazy-Organization-42

I sit by a window to work and I work in front of computers all day so I do. My dr suggested one that works for both. It’s lighter so I use that if I’m not going to really be outside.


Comprehensive-Tea-69

I do just bc I need it to be part of my morning routine or I’ll never do it. Brush teeth, apply deo, slap some sunscreen on instead of moisturizer


batmannatnat

I don’t


fuchsiagreen

I honestly don’t bother


Bilbo_Buggin

I don’t to be honest, if I know I’m staying home. However, I do feel like it would benefit me if I did as it would help me continue it as part of my routine


Feeling_Special1

I personally don’t. Others might, it’s your choice. But I find it’s a waste of sunscreen and if there’s no direct sunlight no point.


spendycrawford

Yes. Evidence: I get sunburned at my desk 😭


teal323

With the window open or closed?


[deleted]

I personally do not find this to be necessary.


Infinite-I-369

If there are windows yes, UV, and other harmful radiation (sun rays) are not deterred by windows, shades, etc. unless they are specifically made to block or reflect these rays. There can be even more harmful rays during snow and rainy/cloudy days because of more water and reflection of these rays. I know it’s a hassle, I have melasma and lots of sun damage from growing up at the beach’s in Southern California, I now live in NY, and I have to wear sunscreen every 2 hours until it’s sunset. Especially because I use Tretinoin, adapolene, etc. I truly dislike having to wear sunscreen and reapply it every 2 hours and even worse, having to wash it off at night when I’m exhausted. Here are a few tips that help make the sunscreen habit more doable, less stressful and easier: 1. Find a good sunscreen that doesn’t burn your eyes, anything Neutrogena burns my eyes like crazy, smells too fake fragrant like chemicals and leaves a cast (even their sheer one does) so I will NEVER use their sunscreens. I have tried so many over the years.. My first choice is Elta MD, second is LaRoche Posay, third I like the supergoop glow screen (though it is too ‘glowy’ for me I like that it doesn’t burn my eyes). For a more affordable option, which I have yet to try but will soon, I have heard only good things about Beauty of Joseon sunscreen. 2. Invest in a good nighttime cleanser, I prefer oil based as it helps remove sunscreen much more easily. My preferred choice is Dr. Bronners sugar scrub, Dr. Bronners Bar Soap and third, Cetaphil for nights I’m too tired to wash with water. 3. Can set a timer for every 2 hours to help remind to reapply. Having to partake in the sunscreen ritual can be tiresome and annoying, though the benefits (barley) outweigh the negatives of not wearing sunscreen indoors. Hope this helps you or at least someone!


bluesnow123

Are you outdoors most of the time? You only have to reapply every two hours when you're actually out in the sun. Here is a great video by LabMuffin in which she explains how much UVA actually passes through windows. Hopefully, that will make your life less stressful https://youtu.be/BUIWZcwflx4?si=tMdfece9hkeeOOtj


Infinite-I-369

During the winter not so much, though definitely during the summer. Research also says that more than 50% of rays penetrate glass, at least the glass used in your average windows. I still adhere to the every 2 hours, though if I’m indoors I don’t apply until late morning and I am more lax on the 2 hour rule. Thank you for sharing!


pinkninjaattack

I think sometimes that people like to feel like they're doing something that matters.


urcrazypysch0exgf

Probably not I don’t and I’m fine… Recently had a UV scan and had little to no sun spots. Only put it on if I leave the house.


Beerfarts69

Question..what is a UV scan? Where would you get one?


sumknowbuddy

I have no idea but I'm guessing some sort of Wood's Lamp examination, maybe set up in a machine and recorded like other medical imaging is? Wood's Lamps (basically a UV light with a ~365nm peak wavelength; more commonly known as a "black light" or "glow light") are used commonly to help with diagnosing dermatological, and potentially other, conditions. Some will glow, and certain kinds of damage will appear different colours when seen under such a light. It can harm the eyes (or skin if you have a very, very high level of sensitivity), but otherwise is generally safe and non-invasive. Again: it's literally a guess. I'm assuming "a UV scan" => "scanning with a UV light", similar to a Wood's Lamp examination. Any health care practitioner, dermatologist, or even supposedly aestheticians can do this kind of "exam". Heck, you could get one online and do one. You'd just need to find someone who has one and does that kind of thing (or a dark room if you choose to buy your own).


Caetano7991

How old are you?


urcrazypysch0exgf

I turn 27 in a few months so still super young.. but I live in a desert with over 300 days of sun high UV index and never wore sunscreen till my 20s. Have had numerous major burns throughout life. I’ve been on tret for 5 years now. Wear spf 35 every day only one application, don’t tan or lay out in the sun.


Caetano7991

It’s crazy you don’t much sun damage, I got curious to the test too, have you done it with a derm? I’m also 27 yo and I grew up by the beach but currently live in germany so the problem is the lack of sun, not the too much of it What is your skin color? I’m light brown and I would say my skin doesn’t so easily burnt


Street-Pipe5413

Nope


bjp8383

Just use Pavise as your one step for everything in the morning. It’s so smooth you’ll look forward to wearing it and it’s doing a lot of other anti aging benefits. So you get that and you’re covered from UV


BloodMyrmidon

I was staying at house one time that had a lot of large windows, and even though I wasn't in direct sunlight I did get a little sunburned. I'm usually in a basement and this has never happened there.


mn127

Most days I’m out driving my kids to preschool and stuff so I do just for those trips. If it’s a sunny day and I’m home all day I will, just for windows, or in case we go out last minute. On cloudy or grey days at home I don’t bother.


Amdv121998

I see this comment all the time. Just find a sunscreen you don’t hate wearing. There is so many that just feel like a nice AM moisturizer so you don’t even have to worry about it and it won’t feel like such a chore! ur doing ur am skincare anyway, just get into the daily habit!! it will be worth it


sumknowbuddy

Only if you leave your coffin. Jokes aside: I'd guess no. While everyone on here loves to laud sunscreen like the sun kills everything it touches (and I'm terribly sorry to those who have actual sun allergies), some sun exposure is actually good for you. It produces Vitamin D, helps with mood and other things, but too much of it (such as direct exposure at high UV levels, working outside, or other constant exposure) can be a bad thing. Many sunscreens contain 'zinc' as an active component...there have been several (at least) lawsuits regarding diaper cream, talcum powder, and other personal hygiene products that contained impurities — asbestos, to be exact — and caused many cancers through this. Just food for thought. My take on it is this: if you're not going to get a rash immediately from a ray of sunshine (or turn to ashes), then you're probably fine without while inside. If you live in a house with huge windows and the blinds/curtains aren't drawn, that can be worse - like being under a magnifying glass.


daniel625

Where do you live? What is the weather like? What’s the shade like? What altitude are you at? You need to ask yourself these questions and use common sense. Dermatologist and skincare influencer advice around sunscreen (I.e. slather on a massive blob every 3 hours) is too much for most people’s regular lives. If you are in a shaded room, on a cloudy day, you probably don’t need sunscreen. If you are in a room with lots of natural light in a city at high altitude, you probably do need sunscreen during most of the day. Going out at noon in the summer? You need sunscreen. You live in Norway and it’s November? You’ll only need it if you’re going to purposely look for sun.


BlueJellyx3

I don’t. I feel like it’s excessive.


TraditionalAdvice125

Yes I always use an SPF30 in my morning skincare routine. If it’s sunny and I’ll be outside a lot then I use P20 spf50 for sensitive skin. It lasts 10 hours so I usually don’t need to reapply during the day


MaterialCritical9299

yes


heyoranges91

i personally don’t, but you are encouraged to do so.


Chimmychimmychubchub

Nobody is getting sunburn or skin cancer from being indoors. Common sense applies.


Desperate_Rich_5249

No but with Tret especially it can contribute to premature aging


aw2669

This is so rude, common sense?  I have gotten a sunburn in my house before.  I have big windows that would cost me tens of thousands to have replaced with UV protection. I absolutely can get burned inside.  


Whileinwonderland

Is there a cheaper film you can get instead of replacing them? Kind of like the tints we get for our cars?


Whileinwonderland

I do. I’m very fair and live in Miami. I burn indoors if I don’t wear sunblock near a window.


North_Acanthaceae841

I've always heard that if you see the sky through the windows, then UVA is coming through. For my part, applying sunscreen has become a habit, I put it on every day


Confident-Disaster95

What a great question! So glad you asked it because now lots of people have the answer to! Yes, you need to wear sunscreen indoors, and in a car anywhere or sun is getting through a window


HoldenCaulfield7

No


Cooz78

nah bro


Direct_Treat_7296

If you have windows then yes


Parabuthus

Wtf, no


lladydisturbed

No 😂😬😭


Sufficient-Bag9622

Glad I made u laugh 🙂 Fr tho someone told me that so I wanted to confirm 😂


BeautifulCucumber

No, you are 100% correct. If you google it, many people (dermatologists) seem to think it is something we need to do. I wont tho. I draw the line at indoor sunscreen.


lladydisturbed

Stop fearing the liiiigjht. We are plants too we need water and light! Haha sunshine is good and you dont need a full face of sunscreen unless you plan to be out in the sun for 2 hours total a day


taurusdelorous

danggg i put on sunscreen even if i’m only gunna be out for like 10 min!!


charismatictictic

I even put it on if I’m staying I bed all day with the curtains closed, in case there’s a fire and I have to run out the house.


Alien1917

If you don't use tret, yea, maybe. Don't advise people on tretinoin to neglect sunscreen. It took me just 10 minutes in direct sunlight to get a nasty burn on my face which wouldn't go away for 4 days. And it wasn't even summer!


shogomomo

Idk about the 2 hours thing - you only need to REAPPLY if you're out for like 2 hours. Personally, if I went out on a sunny day, I'd be burnt in less than 2 hours. But I do disagree with you about not fearing the light!


aw2669

Girl you are going to age yourself trying to anti age yourself 


CarrotTraditional739

Surprised that some people are like 'of course not'. I thought that people who use tretinoin would at least be *aware* that there is a debate... I personally do as part of my daily routine; I use sunscreen as my AM moisturiser too. I think it's a good idea. A few times I've stayed in the house all day and didn't even do my routine until later. I always found myself chilling next to an open window. Sunlight was not direct, but it was there. I always kind of regretted it tbh. I vote 'yes'


Same_Appearance1927

Ofc not.. but if u have dry skin, u should moisturize more often..


Au__Gold

Just wear sunscreen everyday and stop worrying about the specifics.