Health on MSN

6 Ways to Use Lactic Acid in Your Skincare Routine

Lactic acid is a gentle AHA exfoliant that removes dead skin cells to hydrate, lighten dark spots, and improve overall ...
WebMD

What to Know About Lactic Acid for Skin Care

Lactic acid is an over-the-counter chemical exfoliant that comes from the fermentation of lactose — a carbohydrate found in milk. It's a popular ingredient in numerous skin care products nowadays. But ...