Ingredient · INCI listed
Lactic Acid
Lactic acid is an alpha hydroxy acid that exfoliates dead skin cells while simultaneously acting as a humectant — a dual action that makes it gentler than glycolic acid and particularly well-suited to sensitive or dehydrated skin.
Evidence — Well-established
Data summary
Products containing
48
Most common in
17 products
exfoliants
Typical pairing
Glycolic Acid (AHA)
Evidence level
Well-established. Effective at 5-10% for home use. The combination of exfoliation and humectancy is unique among AHAs. Ammonium lactate (the salt form) is the gold standard for body care treatment of keratosis pilaris.
Verified reviewer
Where it shows up
