Re
Moderate evidence

Retinol for Acne (Acne Vulgaris)

Speeds up how fast your skin renews itself so old, dull cells shed faster and fresher skin shows through. Builds collagen over time, smoothing fine lines.

Why it works for Acne (Acne Vulgaris)

Helps keep pores clear so fewer clogs and breakouts form. It is an over-the-counter retinoid (a vitamin A treatment). Your skin converts it into the same active form as tretinoin, just in two steps, so it works the same way but more gently. The proof behind it is not as strong as tretinoin's, but it is a solid choice when you cannot get a prescription. Start at 0.025-0.05% and build up slowly.

How Retinol works

Converts to retinoic acid in skin; accelerates cell turnover and stimulates collagen synthesis.