Glycolic acid is a dermatologist favorite for smoother, brighter skin. Find out all the game-changing uses of this exfoliating AHA for acne, anti-aging, and more.

Like with our skin, niacinamide works to reduce inflammation, improve the hair’s texture and add a healthy sheen to strands.

Lactic acid is the low-strength, gentle alternative that has incredible benefits, without the sensitivity. If you’re hoping to give your skin a lit ... hydroxy acid (AHA) blend, but it’s ...

Anti-Aging Effects: Brown sugar contains glycolic acid, an alpha-hydroxy acid (AHA ... flaky skin, promoting soft and smooth lips. Avoid Facial Use: Despite its benefits for body exfoliation ...

Sophie is a writer for InStyle, where she reports on noteworthy beauty products—including skin care, hair care, and makeup—and, occasionally, covers celebrity style trends. I’ve dabbled in ...