Physical vs Chemical Sunscreen and What You Need to Know
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What you need to know about physical & chemical sunscreen, listen here:
Health and beauty ads are everywhere. What’s true? What’s safe? And who can you believe? Doctor Colleen Parker of Radiance Medical Aesthetics and Wellness in Williston, VT has your answers, backed by science, and clinical evidence. Doctor Parker keeps you in the know.
Hi, this is Doctor Parker, and all of my patients know that I recommend using only a physical sunscreen on your face. And by physical sunscreen, we mean only zinc and titanium listed in the active ingredients on your sunscreen. The reason for that is a physical sunscreen works very differently than chemical sunscreens. Physical sunscreens layer into the dead skin cell layers of the epidermis, and they shield the rest of the dermis in the subcutaneous tissue from all UV rays. So there’s UVA, UVB and UVC. Chemical sunscreen, on the other hand, gets absorbed into the dermis and it only reacts with UVB rays. That’s it. So physical sunscreens are something that you can find at your local pharmacy or grocery store. The biggest key is to look at that active ingredient and make sure it only has zinc and titanium. There’s over 25 chemical sunscreens on the market. The important thing is to know that it should only list zinc and titanium!