The Science of Tanning, Sun Burn and Skin Cancer

Have you ever wondered why our skin changes color based on the sun? Learn how UVA light and UVB light causes tanning and how too much sun may lead to skin cancer. Tanning beds and sunlight are slightly different, so this video focuses on the sun. What causes sun burn? What causes skin cancer? Do I have skin cancer? How to tan?
Thanks for watching! Let us know if you have any comments, questions or future ideas below!
Animator's Channel - / @jellytron4287
Music - • Sunlit Thunderscapes

[@angel-lc6mf]

my old friends were literally addicted to tanning, they scolded me and created dramas whenever I applied sun screen. Well ig they want to die

[@sal9014]

They will feel bad when they get skin cancer

[@lynekexve844]

They went in the sun without sun screen?? Don’t they know you can tan even with sun screen lmao

[@Unknown_Meliodas]

Those aren’t your friends. At that point they’re bullies

[@freeeggs3811]

You are just jealous that you can’t get tan.

[@lynekexve844]

@@freeeggs3811 How would she be jealous? Read the comment lmao

[@Mr_DJB]

That Leona Shielding the light was well placed ;) nice job :P

[@MaxxanW]

Nice League of Legends Easter egg

[@jasondo2119]

wasn't that leona

[@orencohensimhi6871]

that was leona

[@hariv5664]

Saitama sensei!

[@neithanm]

UVB has a shorter wavelength than UVA (another way of saying that UVA is closer to visible light than UVB) and therefore more energetic. In 1:37 you said UVA is higher energy

[@SergioGallegosL]

Maybe a bit late, but thanks for pointing out that fact!!

[@NathamelCamel]

Great vid, keep up the good work Chris!

[@Zen0NoMind1]

Awesome vid! Thanks. Quick. Succinct & to the points that matter. Nice refresher for me.🤓 Lookin' to tan again 😎

[@meuwlin]

omg leona at the end my main i love leo

[@KKKtrucky2]

I literally sit in the sun with no sunscreen... I don't get sunburned it just feels absolutely great... The longest I've ever been in the sun without sunscreen is about 9 hours and I did not get burned.

[@itsmebeyonder]

Joey Youn your darker skin tone give you more protection toward sun damage.

[@Ayesha_5782]

Joey Youn But did your skin tan? Tan = damage. Just because you didn't burn doesn't mean damage didn't take place, it can take years before you see the extent of the damage. Plus, the darker the skin tone the harder it is to see the damage, until it's too late.

[@jeanjacquesdessaline4742]

Joey Youn Thats because TMH loves us 💯

[@loomblack3811]

Ayesha King sorry we don't crack😂😂😂

[@arandomchannel1101]

Joey Youn oh yeah you did it in winter... if you did that in summer ur gonna get a bad burn with moderate dmg and it's what happens probably to a dark type V or type VI

[@MaddieFishblob]

WAIT, so if you wear sun screen, your DNA doesn't get damaged, meaning you don't get cancer, but you also don't get tanned. ☹️ Ah whatevs, Ima cancer anyways 😎

[@talete7712]

I know it’s been 5 years but you can still get tanned even while using sun screen. There’s no reason not to wear it really

[@AnxiousTrap]

love these videos

[@shirinshirazi]

I love my fair skin :D

[@kA-jy9ym]

Shemesh Navon I hate mine. Constantly getting made fun of, it's really annoying and I feel like an outcast.

[@shirinshirazi]

Kendra Queen they envy you

[@keirynedelen8325]

Me tooo! I ignore the people that say I should get a tan. And even if I wanted to I couldn't. Honestly though, it's like saying "let's go get our daily dose of cancer". Or "how can we kill our cells today?"

[@Tatusiek_1]

Kendra Queen i don’t have dark skin, i’m close to white, but i’d love to have fair skin, it’s a gift. Especially when you take care of it, it’s beauitful

[@keirynedelen8285]

Shemesh Navon Me tooo!!!!!

[@AbbeyWagner4547]

I Like The Animation Of The Video 💖

[@jimtheedcguy4313]

Sweet calarts style!

[@paolaangelicarodriguez2256]

UVA light does not have higher energy than UVB. It has a longer wavelength so it is less energetic than UVB. Although it penetrates deeper in the skin because it has less energy so it doesn't "attack everything it touches" as UVB does, and because of its longer wavelength that allows it to pass through the cells more effectively without being absorbed.

[@nyeshamcpherson3350]

I loved the video by the way

[@josehercules804]

thanks that really helped

[@anncyl3348]

My skin is quite fast in tanning if I go to sun. And these days I work at the sun without sunscreen and I'm completely tan from pale skin color So I was scared if it got me to any cancer.

[@conneraldeqn9751]

Kinda similar with me. I got a sunburn while playing football and looked up how long it would take to heal. I went down a rabbit hole of how sunburn causes cancer and I got bad anxiety from it

[@kathleenking47]

You have to watch your diet as well

[@rafaelamorim3527]

moderate sun is good , sun is life , dont be fooled by jewish propanda

[@thxmxs7200]

Right when I saw this I have a sun burn right now

[@palakrani9135]

In equilateral country we have face this problem related to sun causing taning ,sun burn but not the sun cancer

[@GhostCell47]

Hooray!

[@drewbunge6399]

It sucks because I just recently went to a lake for a weekend, and I suddenly burn everywhere and sunscreen doesn't help, maybe it's because I'm getting all of the sun at once, and I haven't been in this intense of sun.😬😁

[@thxmxs7200]

Idk you probably need a little more powerful sunscreen

[@janderson9413]

I appreciate the Leona

[@hi-xy3ic]

I’m so happy I’m dark skinned

[@Tatusiek_1]

why?

[@thursdayplurbonym-boyporri8921]

@@Tatusiek_1 Probably cause it's harder for her to get sunburns

[@Tatusiek_1]

thunder yes but if you live in low light or indoor conditions, having lighter skin is more beneficial because you more easily get vitamin D

[@z_z7976]

Being dark skinned is beautiful. My body produces massive amounts of melanin and I get these awesome dark tans after playing at the beach all day. Skin is such an amazing organ.

[@z_z7976]

@BattleTank 69 I never said that but if the shoe fits...

[@rolan638]

Glad i never go outside

[@LuigiCotocea]

Vitamin D *Am i a joke to you?*

[@jolabo6374]

Haha this was 4 years ago buddy I don't think he will respond.

[@rolan638]

@@jolabo6374 Yeah i thought it was kinda funny too, but i do actually still use youtube actively so

[@aryansrikumar347]

@@rolan638 the fuck you checking your 4 year previous comment???

[@rolan638]

@@aryansrikumar347 get notifications on youtube when someone replies to a comment.

[@bengybananas7391]

Lol that LoL game character at the end..she blocking that dam light

[@user-gd4ty2nq3u]

omg Leona!

[@pctt1238]

Yay..... Learning in the summer ;d Jk ty for knowledge

[@jaadfable]

So... Spicy foods? PLEASE CHRIS!

[@superscienced]

Yes. Getting to it! :)

[@chazpurves]

It’s weird almost all my friends always burn, while I’m 14 and have never had a burn and tan reaallly well

[@danmanuevo4364]

Bill Wurtz:yes it is damgerous

[@itsmebeyonder]

So this means tan on someone with fair skin is actually bad because it was a sign that your body has been damaged?

[@Ayesha_5782]

DarkServant Yes and on darker skin too.

[@marisutton334]

Ayesha King Not true at all my 80 and 90 yr old aunts and uncles are proof....no skin damage even my grandma has no skin damage our Melanin protects.

[@Tatusiek_1]

Mari Sutton because you are probably black or live in an area with less intensive sun

[@Tatusiek_1]

@@WoollyViking Yes, but it also depends on where you live, areas with more clouds are exposed to less Ultraviolet, same with low lying(low altitude) and high latitude areas.

[@100madmic]

@@Tatusiek_1 for me I live in the state that get a lot of sun and I also got to work outside for like 30min white skin even wearing hat and having a cooling towel I still turn red.

[@ianchen9100]

is that leona from league of legends at the end of the video?

[@andreinistor6162]

Ian Chen hell yes

[@popoetic]

So would at 30spf be 90min in the sun?

[@bletrick3352]

I’m pale as fuck and once I accidentally fell asleep without putting on sunscreen at the beach and it was a whole week of agony. I was so burned I literally couldn’t move. Almost as if paralyzed.

[@mebeasensei]

So I buzzed my hair…it’s thin and horrid. Mid fifties, Caucasian male. Now I need to get some colour and tan on my face and scalp. How do I do it most efficiently and safely and am I just going to prematurely age myself in the process? Any advice is appreciated.. thanks..everyone for reading.

[@SEliteGuitarist]

Never understood the argument you'll prematurely age yourself. People were not meant to live 80 years. We artificially inflated the average lifespan with medicine. That's not bad, it's just incorrect to say you'd prematurely age your skin. People centuries before us would spend a lot more time in the sun than we did and by their standard they didn't prematurely age, they just aged.

[@AkashJaiswalAJ]

Out in sun for 4 hours ? What to do ?

[@eema1157]

I usually put on a thin layer of sunscreen and I got soo tan

[@EgoFawful]

Leona praises the sun.

[@user-pw9un3br7p]

No SPF 15 is not enough. You need to apply 2mg/cm² which is about 1g on the face. Most people don't apply enough and therefore dont get the needed protection. There has been made a study proving that SPF 80 is superior to SPF 50 as its about the uv rays who are able to penetrate rather than those which are blocked. The study and additional infos are here: www.jaad.org/article/S0190-9622(17)32908-0/fulltext www.jaad.org/article/S0190-9622(09)00658-6/fulltext

[@lovePR1]

🤓

[@yordledippy6320]

Ayyye. Leona.

[@jr-nl5ov]

Can people be naturally tanned?

[@rqmennn]

I got a bad sunburn yesterday in Ohio, in March, on a cloudy day. Was just trying to figure out why

[@hiyakiwii]

You can get sunburnt even if there's no sun

[@rqmennn]

WHAT

[@hiyakiwii]

I d k how the heck you can but that's what my teacher said

[@MrCaptainTea]

Insert cloudblock iCarly joke

[@kathleenking47]

How's your diet

[@amsofakingcool]

lol, nice leona.

[@indianbtsarmy5833]

Is tan permanent or it can be removed

[@nyeshamcpherson3350]

Do you know why your tan seems to happen quicker when you're in water? I can't find a scientific breakdown anywhere

[@dreameroftherestless]

I am not a scientist but I think its because of the reflection of sunlight from the water surface.

[@OffbrandQuartz]

What about SPF 60?

[@paulrojo4308]

The uvc is filter by the atmosphere and the uvb is is ONLY stay in doors and glass windows can only protec u but the UVA is penetrate in our skin and damage then DNA and breakdown the collagen. And can cause early skin aging, freckles melasma, dark spot , Spf or sun protection factor Like the spf 50 is good for 150 minutes And also always choose a sunscreen indicate the words broad spectrum Sunscreen or the PA ratings like ++++ which say you are protected from UVA and uvb Btw the P.A rating indicate how can protect your skin in the UVA . I personally I love wearing sunscreen contain zinc oxide and titanium dioxide because it protect my skin from uVA and uvb . And APPly enough sunscreen on your skin based on laboratory studies u have to apply 2 milligrams per centimeters squared of sunscreen to achieve the protection stated in the label.and wait 15 or 20 minutes before you going outside

[@jarrettsewell2170]

But do you still tan with sunscreen on? I know this is a dumb question.

[@Indianboi7789]

Yes at some extent but you get less tan with sunscreen

[@averagetoad2802]

I mostly get it tans because my skin coulor

[@kengucci4850]

All the people obsessed with tanning are just doing a horrific thing to themselves. Increase aging, skin cancer, and so many problems. I stooped doing this thing and only take morning sun for 15 min, I got nice bronze skin so not need to tan.

[@aurolined159]

the 1 disliker has skin cancer

[@Gimpenn]

I can’t get tan. I just get red and then I go back to white

[@plagueincandglitch776]

Took me 7 hours to get a sun burn

[@browney1571]

i want to get tan

[@rickbasheer3300]

1:38 wired face

[@namesnotgeorge7761]

I dont get tan I'm mad I get the sun hates me like i literally sat in the sun for 2 hours with no tan

[@YopraX]

Where do you live

[@fheuexve]

lol same here. i dont tan but i dont get painful sunburns either. if i tan it's very slight and if i burn it's mild

[@wiispeed03]

how do you tan if you're really white without harming your skin?

[@KH9078]

Wow lebron james giving white people tanning advice

[@paulaacosta9954]

Don't

[@plagueincandglitch776]

Tan

[@superscienced]

Do you tan well, or do you burn quickly?

[@NoName-yr2hb]

i tan well

[@crunchycookie6440]

I like how you used leona as a image of sunscreen.

[@alec2373]

I tan well :>

[@itiseragon]

I burn quickly :c

[@kingcriggin5537]

I'm literally orange and I got skin cancer twice

[@Danny-li6ht]

Lol ingredients: Awsome things?

[@RomeoMontagueidv]

also don't forget to protect your eyes and lips. wear sunglasses and put on some lipbalm.

[@mangplamatadavonyiurs7678]

So tanning is just a increase in melanin

[@lorcanrooney1690]

I usto have to wear type 100suncream cause my sister had sensitive skin

[@arandomchannel1101]

Lorcán Rooney spf 100 = best way to get SKIN CANCER because you wont get the sun for an insane 2 days

[@samanthamejares7838]

Uhm..could you specify spf's neede each ethnicity

[@rickbasheer3300]

Hi

[@alex9920iasi]

Tanning is when from European you wanna turn into an Ethiopian.

[@epiclz9383]

I burn then I get tan

[@gamingtigersav-more8601]

I do know science 🔬

[@gamingtigersav-more8601]

I am a smart guy I do know almost all of this No really............🌞

[@sowjanyav5058]

Gamingtigersav -more... It's true 😓😓

[@shelbysushi]

Me on the trampoline right now with tanning oil on with a UV index of 11… O:

[@michaelsailo2037]

I'm Asian and I love my fair skin😊

[@alisd786]

Telme timings also

[@snapslingpeavine1371]

Why so many racist comments?

[@quitragequit2870]

guys watch speciali out wenn you have red hair

[@freshsox4267]

we need more sun lots of it food needs to grow trees and everything nowadays more ⛅ Sun

[@chrisnwesson4739]

No talk about the benefits? All I hear is the negative side

[@duskyHH]

my sis has sun burn..

[@barneybyone1537]

another excuse for me to tell my parents i won't workout

[@itsmebeyonder]

So does tan go away naturally or I need some kind of bleaching cream/lotion to get rid of it?

[@dr.monkey8600]

DarkServant no idea if you already got the answer it’s been over a month but tan skin starts to fad in about two weeks if you stop tanning outside not in a tanning bed

[@itsmebeyonder]

haden knapp it's been years since I have this tan, my tan won't fade, even though I don't go out as much and I start applying sunscreen.

[@naavinnaavin9452]

@@itsmebeyonder do i still get sun tan if I only expose to 8am sun everyday?

[@itsmebeyonder]

@@naavinnaavin9452 tan is a sign of overexposure to sun rays. The longer you stay under the sun rays, the more sun damage you get. Try to limit your sun exposure time, don't stay more than 5 minutes under the sun.

[@naavinnaavin9452]

@@itsmebeyonder even 8am sun?

[@0_0ibrahim]

I got tan very bad how to get rid of it

[@fheuexve]

just get over it, it will fade by itself.

[@ricoronaldoyt9474]

can you get a tan with sunscreen on?

[@superscienced]

A little bit. But mostly no.

[@naavinnaavin9452]

@@superscienced will my skin become darker if I stay in sun 8am morning sun?

[@vishnucharan9008]

@@naavinnaavin9452 no

[@Soapss]

YOOOOOO I used to watch you bloons videos for years and I'm watching this video tryna get some knowledge and I'm like This guy's voice sounds familiar wtf

[@foreveryoung4667]

i think this is not the proper reason for tanning

[@amar9413]

Well the sun love people with dark skin melanin all day.

[@DjStiv3]

so uhh why not call it spf45 and spf150? how the fuck you know what to buy. i burn at about 45min in at 85 90 degrees hotness outside..i think. the fuck do i use? im guessing start with the lowest. i do want a tan a bit so 45min front then back but with sunscreen is best right? so i can tan but not be burned?

[@superscienced]

It has nothing to do with the heat outside, just the sun's rays. Let's just say that SPF15 is more than enough for most people with slightly tan skin. SPF30 is recommended for people with light complexion.

[@thosebastards8112]

This is why "free the nipple" should be bamned for men and women.

[@alekss7378]

My dumb ass watching this with a sunburn lol

[@sarahmoviereviewer4109]

So the sun is bad

[@thevampirediaries118]

im a mediterranean people sir ,please

[@Rider_97]

ThE SuN iS a DeAdLy LaZeR

[@lukej557]

Wait what?

[@upsidenicothebear6757]

UVA:Gives Grapes To People That Speak Spanish

[@upsidenicothebear6757]

JOKE🤣

[@christmasunicorn.]

the sun is a deadly laser

[@fungus1005]

This video taught me to become a vampire and never go out because cancer is bad the end

[@Triveom]

I'm too white

[@larsd4734]

Hi =D

[@rusualex2944]

Well I'm brown as fuck so tanning ain't to no problem

[@spritecomments5582]

Eh sorta

[@AfroAttack]

5fth

[@AmandaWspoon]

I'm white lady from suburbia Texas with Irishish heritage. I don't tan I burn then freckle.