Ceramides are a type of lipid (fat molecule) that make up approximately 50% of the outer layers of the skin, according to Cleveland Clinic. These molecules play an essential role in maintaining the ...

Add Yahoo as a preferred source to see more of our stories on Google. Have you wondered what exactly keeps your skin looking plump, dewy, and youthful? It's not just about genetics or expensive creams ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." There are some ingredients you just want in a moisturizer, regardless of your skin type or concerns, and ...