User's Manual: Skin

8 Steps to Healthy Skin at Every Age

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Your 30s: Beat acne bumps

Hormone-related skin problems aren’t just for teens. Surging progesterone and testosterone levels before your period can cause adult acne to erupt around the mouth, chin, and nose. And hormonal stress can exacerbate eczema—dry, irritated skin, often on the face and hands.

To treat adult acne, which tends to flare up in the 30s and is more inflammatory than teen blackheads and whiteheads, derms often prescribe benzoyl peroxide and retinol or Retin-A, says Gary Goldenberg, MD, an assistant professor of dermatology at Mt. Sinai School of Medicine, in New York City. Soothe eczema by using gentle, fragrance-free cleansers; if the problem persists, you may need a prescription for a topical corticosteroid.

Next: Your 30s: Baby your skin