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Summer Sunscreen Tips

Jun 17, 2016

Chances are you'll be spending some time in the sun this summer. Here's what you need to know about sunscreen and protecting your skin from the sun's short-term and long-term harmful rays as well as the science behind it all.

What does sunscreen do?

Sunscreen shields the skin from the sun's harmful invisible ultraviolet rays. UVA rays are the long-term aging rays. UVB rays are the short-term burning rays. UVC rays burn off before they reach earth's atmosphere. Sunscreen shields your skin from UVA and UVB. It also protects your skin from “free radical damage”, which causes permanent damage to your skin.

Sunscreen protects your skinSunscreen protects your skin

I never get sunburned, why should I wear sunscreen?

What you normally see as a sunburn – red skin -- is a reaction to UVB rays alone. It’s impossible to tell how much UVA damage you are getting until years from now. Unfortunately, plenty of long-term skin damage can be done without the red flag of sunburn being raised.

What does the SPF number mean?

SPF number indicates the amount of UVB protection a product offers. According to the Skin Cancer Foundation, here's how it works: “If it takes 20 minutes for your unprotected skin to start turning red, using an SPF 15 sunscreen prevents reddening 15 times longer – about five hours. Most sunscreens with an SPF of 15 or higher do an excellent job of protecting against UVB.

The Skin Cancer Foundation explains further: “another way to look at it is in terms of percentages: SPF 15 filters out approximately 93 percent of all incoming UVB rays. SPF 30 keeps out 97 percent and SPF 50 keeps out 98 percent. They may seem like negligible differences, but if you are light-sensitive, or have a history of skin cancer, those extra percentages will make a difference. And as you can see, no sunscreen can block all UV rays.”

What happens if I combine two sunscreen products with different SPF’s?

SPF levels do not increase when two sunscreen products are combined (i.e. wearing a SPF 15 and a SPF 30 does not equal a SPF 45). The amount of protection will equal the highest SPF applied.

How often should you reapply sunscreen?

Apply sunscreen at least 30 minutes before heading out into the sun. Despite what the label says, if you are spending time outdoors, all sunscreens, no matter what the SPF value, must be reapplied every two hours and after swimming or exercise.

Rash guards with or without ultraviolet protection help block the sun's harmful ultraviolet raysRash guards with or without ultraviolet protection help block the sun's harmful ultraviolet rays

Can you get sunburned through your clothes?

All fabrics offer some sun protection. Some clothes carry an Ultraviolet Protection Factor (UPF) value, where UPF ratings range from 15 (good) to 50+ (excellent). People with very fair skin who burn easily and people spending a lot of time on the water or in high elevations can benefit from wearing UPF rated clothes. People with average or darker skin who rarely burn will rarely get sunburned through their clothes. If you will be spending a lot of time in the sun, consider wearing a hat to protect your face and a rash guard to cover more of your body over a swimsuit.

Have Your Say

Do you use sunscreen and sun protection? Do you like to tan or use sunless tanners? Tell us in the comments below! 

 

20 Comments

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What is the minimum SPF You Should Wear?

  • At least SPF 10
  • SPF 100
  • SPF 30
  • I don't wear sunscreen

Dear Dish-It In The Forums

drowning
"SatanslilDemon" wrote: Ok so I have a dilemma. I really, and I mean really like this guy. He's considerate of my mental wellbeing and health, plus he's really funny and sweet. He's respectful, loyal, and his hugs are the best ever(he's like a foot and 4 inches taller than me). the dilemma is, he'stwentyandI'mfifteenturningsixteensoon.... I'm not gonna even ask about dating him until i'm sixteen but I've called him in total anxiety attack crying my eyes out and he calmed me down and made me laugh, and I invited him to come see a choir performance so he spent the day with me... My mom ships us... but I'm a little worried because of the age difference  and experience difference and just, I don't want to miss the chance of being with him because of it. ​  any advice??? It's really nice that your mother supports it, that always helps!! I'm glad that your family enjoys his company as well. Being 16 while he's 20 is alright. It's a slight odd age gap. But, I think as long as you both are ready, it's alright. Make sure you're mature and safe with your choices though. Personally, I think you should wait until you're closer to at least, 17. But, as long as you two are smart about what you're doing, it should be alright when it come around to it.
reply 2 days
fitta
"Shygirl15" wrote:I really like this boy in my second period class but i dont know how to tell him because he knows that im transgender do whatever makes you feel comfortable or just wing it and tell him and if he tells you something because you're trans forget about him! He doesn't deserve you. But it's totally okay if you want to play it safe and not go up to him. You do you. :3 
reply 3 days
fitta
"SatanslilDemon" wrote: Ok so I have a dilemma. I really, and I mean really like this guy. He's considerate of my mental wellbeing and health, plus he's really funny and sweet. He's respectful, loyal, and his hugs are the best ever(he's like a foot and 4 inches taller than me). the dilemma is, he'stwentyandI'mfifteenturningsixteensoon.... I'm not gonna even ask about dating him until i'm sixteen but I've called him in total anxiety attack crying my eyes out and he calmed me down and made me laugh, and I invited him to come see a choir performance so he spent the day with me... My mom ships us... but I'm a little worried because of the age difference  and experience difference and just, I don't want to miss the chance of being with him because of it. ​  any advice??? i suggest you wait i mean you are going to be 16 that's way too young to be dating someone who is 4/5 years older than you,no? You can still talk to him when it comes to your anxiety attacks and all of that because I have those too every night so I know how it feels, but maybe you should wait. But at the end of the day it's your decision I'm just here to give advice 
reply 3 days
SatanslilDemon
Ok so I have a dilemma. I really, and I mean really like this guy. He's considerate of my mental wellbeing and health, plus he's really funny and sweet. He's respectful, loyal, and his hugs are the best ever(he's like a foot and 4 inches taller than me). the dilemma is, he'stwentyandI'mfifteenturningsixteensoon.... I'm not gonna even ask about dating him until i'm sixteen but I've called him in total anxiety attack crying my eyes out and he calmed me down and made me laugh, and I invited him to come see a choir performance so he spent the day with me... My mom ships us... but I'm a little worried because of the age difference  and experience difference and just, I don't want to miss the chance of being with him because of it. ​  any advice???
reply 3 days
SmartSunnyShadow
I feel like that too. My best friend will always hang out with her 'new friends' that I have a really bad opinion about. My friend will treat me rudely all the time and sometimes make fun of me with her friends. But, when I needed her the most in my life, she was there for me, and I told her how I felt. She says that she just wants to hang out with more people and apologized, people can be a little teasy at times.  Also, after seeing each other for a long time, people make new friends and start hanging out with them more, it doesn't mean that she doesn't like you.  This may be different for you, but just tell her about it, she will have to know you feelings at one point.  Hope I helped you. 
reply 3 days