Definition of Sunscreen

Sunscreen: A substance that blocks the effect of the sun's harmful rays. Using lotions that contain sunscreens can reduce the risk of skin cancer, including melanoma.

Last Editorial Review: 8/28/2013

Skin and Beauty Pictures Slideshow: Anti-Aging Tips & Secrets to Look Younger
Search MedTerms:

Back to MedTerms online medical dictionary A-Z List
Pill Identifier Tool

Need help identifying pills and medications?
Use the pill finder tool on RxList.