Zinc Oxide May Be in Your Favorite Mineral Sunscreen, But Is It Safe and Effective?
Zinc oxide is the main ingredient in mineral sunscreens. It is a fine, white powder that is either synthetic or derived from the mineral zincite. Zinc oxide helps form a physical barrier on your skin to reflect and absorb the sun’s UVA and UVB rays. It is also used in other skincare products to help…