Literally Everything You Wanted to Know About Sunscreen
Sure, the sun feels good — all hot and happy and in the filter-but-if you already know, it's got a dark side. Yup, cancer and wrinkles. Even if you don't burn- burn in the turning-red sense, practicing unsafe can still do all kinds of nasty stuff to your skin.
Wearing sunscreen is skincare 101, but honestly , it can be a little confusing. Do not feel bad if you are really sure what SPF means: Deliver half of the people in one survey knew how the numbers worked, according to a study in JAMA Dermatology . That's why we're downloading you on all the sets, from a quick glossary of terms you see on labels to the difference between physical and chemical blockers. Consider sunscreen school officially in session.
Ultraviolet A rays, which penetrate deep layers of skin, are thought or as "aging rays" because they contribute predominantly to wrinkles and age spots but may also cause skin cancer, from 30 to 50 times more than UVB rays and they can go straight through windows and clouds, so you are never safe from their exposure. [image] title = "image" class = "lazyimage lazyload" data-src = "https://hips.hearstapps.com/hmg-prod.s3 .amazonaws.com / images / 04-1557849762.png? crop = 1xw: 1xh; center, top & resize = 480: * "/>
Ultraviolet B rays primarily burn skin (why they're known as" burning rays " ) and play a key role in skin cancer – plus, they're strongest from 10 a.m. to 4 p.m.
Also known as mineral blockers, these are made of titanium dioxide, zinc oxide, or a combo of the two. ”The minerals sit on the top layer of skin and form a physical shield or barrier, so the sun's rays bounce or reflect off, "Shari Marchbein, MD, NYC-based board-certified dermatologist.
Pro tip: dot the product onto One area of the body at a time, rubbing it in completely before moving onto the next spot
If you have sensitive skin, go for mineral blockers. SPF 50 and Hydrating Sunscreen Body Lotion SPF 30, which contain both titanium and zinc. They are constantly recommended by derms because they are gentle chemical sunscreens
These typically use a combination of ingredients like avobenzone, oxybenzone, and octocrylene, which absorb into the top layer of skin. "These chemical blockers then absorb the sun's rays and inactivate them," Dr. Marchbein says.
For example, LaRoche Posay Anthelios Melt-In Sunscreen Milk SPF 60 contains five separate sunscreen ingredients plus antioxidants that work together to render damaging rays impotent. Sometimes called chemical filters, they're known to be lightweight. Though now, formulations and ingredients are so good that both chemical and physical sunscreens can feel as light as moisturizer.
Don't forget these tricky areas
Think: your feet and the backs of your hands Marchbein says. Other areas that tend to be the shaft: your ears, sides, the back of your neck, around the eyes, and on your eyelids. It's also easy to miss spots if you're trying to avoid clothes and swimsuit straps, so if you can, apply in front of a mirror (totally naked), which will make covering every exposed spot easier. And get a friend to help with your back!
Be sure to reapply every one to two hours
Or, as soon as you come out of the water and towel off. “Water proof sunscreen doesn't exist; sunscreen sweats and washes off in the water, ”Dr. Marchbein says. Water-resistant products hold up longer in the water, but only 40 or 80 minutes while you're swimming or sweating, she says.
100% Mineral Sunscreen SPF 50 Face Sunscreen