PIH, melasma, or sun damage? Learn what drives each type of hyperpigmentation and the esthetician-curated treatments that actually work for each.

Cysteamine is proven as effective as hydroquinone for melasma, fades dark spots through 5 pathways, and even supports collagen. Here is what you need to know.

Esthetician's guide to treating PIH from acne — heal faster, fade dark marks, and prevent new ones with a complete at-home protocol.