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Sunscreen is a marvel of technology. It's the closest thing we have to an anti-aging miracle, and it makes the outside safe for pale people like me who would otherwise fry at a bright pink crisp. But we know that you have questions about how to use it, and even if you really need to use it. Here is our introduction to all the basics of your sunscreen.
When should I wear sunscreen?
Dermatologists will tell you, all the time dang . You can remember from your carefree childhood that sunscreen was just a thing for casual beach days, because these are the only times you need to worry about sunburn. Dermatologists are right, though.
Sunburn occurs when you are exposed to a lot of UVB rays from the sun. It really only happens in the middle of the day in summer, since it is then that the sun is shining on us. Once the sun 's angle drops below 35 degrees, either because it' s early or late in the day or because it 's the winter, you' re not in the sun. will not get a significant amount of UVB and so you do not have to worry about sunburn.
But a good sunscreen will also protect your skin against UVA rays, which cause thickening and aging of the skin. They also contribute to your risk of skin cancer. Ever seen this picture of the truck driver with lumpy and wrinkled skin on one side of his face? The UVA pbades through the windows, so even though it was not necessarily tanned or burned, his skin was still suffering the effects of UVA rays for 28 years of driving.
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Who needs a sunscreen?
Nobody pulls it easily, sorry.
Dark skin protects you a little, but not entirely. The more melanin you have, the less sunburn or skin cancer you have. But this is not a perfect protection, so dermatologists recommend using sunscreen anyway. Consumer Reports recommends some brands that do not seem ashes on dark skin, including Banana Boat's Coppertone ClearlySheer and Clear UltraMist
Women may be more likely to pay attention to the need for sunscreen, but people of all the genres are at risk. for skin cancer, not to mention aging and sunburn. So go ahead and use it anyway, and rub it in your beard if you can.
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But is it safe?
Yes. Ok, you rub chemicals into your skin every day, and it's understandable to be a little worried, but again, you also rub chemicals on your skin every time you apply a lotion or a cosmetic. Science has not found any serious threats to your health using sunscreen.
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Coral reefs do have something to fear from sunscreen: The chemicals oxybenzone and octinoxate are dangerous for them, which is why Hawaii has banned them. If you swim near coral reefs, avoid these ingredients. Otherwise, any sunscreen is good.
If you are nervous about anything related to a small risk of cancer, then look at it Current Sun is the villain here. Going out without sunscreen poses more health risks than any ingredient in sunscreens.
There are no other effective alternatives to sunscreen (besides staying indoors, it works pretty well.) If someone tries to sell you dietary supplements to enhance your sun resistance, or convince yourself that you can oil instead of saying no
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By the way, if you are wondering what about the delicate skin of my little baby the answer has always been in the shade if they are less than six months old. It also means that you do not have to worry about sucking them all sunscreen from their hands.
How much do I really need to use?
As much as you can. It is very unlikely that you, as a human being, can ever apply enough to get the SPF on the label. Sunscreens are tested with two milligrams of product per square centimeter of skin, an amount that scientists have chosen for their convenience. (Post any diluent, and it's hard to be consistent in your tests.)
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But Most People Apply a quarter of that amount, or half if they are really trying. So, of course, try to get that full shot glbad (an ounce, or a ball-sized ball of a ball size) on your almost naked beach body . But be aware that you probably get less protection than you think, which means:
- You can not stay 15 times longer with the SPF 15 than you would otherwise; it's more like 3.5.
- High Protection Sunscreen helps to compensate for what you are missing. Yes, in the lab, SPF 50 and SPF 100 are almost the same. Applied like people in real life, there is a big difference.
- Use sleeves, hats and shade to stay out of the sun. Even the best sunscreen does not protect you 100%.
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Are the sprays correct?
The sprays work, but they come with some caveats:
- You have to make sure you apply enough – and unlike the liquor rule for creams, it does not work. there is no good reference. Spray until there is a visible luster, and in theory you are supposed to rub it. (I never do, and I'm fine, it's not medical advice.)
- You probably do not want to breathe in, or get it in your eyes. I use a lotion on my face (and the faces of my children) and spray everywhere else.
- Never spray them near a fire.
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Is a SPF moisturizer a substitute for sunscreen?
As dermatologist Fayne Frey has told us for our skincare guide, SPF is a good thing for moisturizers and cosmetics. the problem is that you have to reapply the SPF throughout the day. It is unlikely that there is a product you need to reapply exactly the same amount of times as your sunscreen, so that separate products are at your fingertips. Personally, I use a SPF moisturizer every morning and then reapply a sunscreen product only if necessary. By the way, she says no matter what happens first, the sunscreen or the other things. The important thing is to make sure you wear it.
