"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." When your skin feels itchy and tight, you likely reach for a moisturizer made for dry skin. Or maybe you ...

The first time I saw “snail mucin” on a serum bottle, my reaction was instant: snail slime? You’ve got to be kidding. Who would willingly smear that across their face? But curiosity is a powerful ...