
What Form of Vitamin C Is Best for Acne Marks
The best form of vitamin C for acne marks depends on whether you’re dealing with dark spots alone or dark
Explore our comprehensive guide to understanding and managing acne. Find expert tips, effective treatments, and product recommendations designed to help you achieve clearer skin

The best form of vitamin C for acne marks depends on whether you’re dealing with dark spots alone or dark

Vitamin C is hard to use on acne-prone skin because most forms of it are unstable at the low pH

Kojic acid works against dark spots left by acne — known as post-inflammatory hyperpigmentation — by inhibiting tyrosinase, the enzyme

Tranexamic acid is trending for acne marks because it attacks post-inflammatory hyperpigmentation through a mechanism most other brightening ingredients…

Alpha arbutin fades post-acne dark spots by competitively inhibiting tyrosinase, the enzyme responsible for producing melanin in your skin.

Zinc fights acne through three distinct mechanisms — it kills bacteria, reduces inflammation, and lowers sebum production.

For most people dealing with acne, a niacinamide concentration between 4% and 5% is the sweet spot.

Niacinamide reduces acne inflammation primarily by inhibiting the release of pro-inflammatory cytokines — specifically interleukin-8 — that your skin…

The most effective percentage of azelaic acid falls in the 15–20% range, according to decades of clinical research.

Azelaic acid is considered safe during pregnancy for acne treatment. It carries an FDA Pregnancy Category B classification, meaning animal