Ingredient Guides4 min read
Lactic Acid: An AHA That Is Also a Humectant
Lactic acid exfoliates as an AHA and pulls in moisture as a humectant. Here is how those two jobs and CAS 50-21-5 show up on a filing.
June 11, 2026Read
Lactic acid exfoliates as an AHA and pulls in moisture as a humectant. Here is how those two jobs and CAS 50-21-5 show up on a filing.
Mandelic acid is chemically an AHA, and makers formulating gentler exfoliants need to treat it with the same concentration discipline.
Salicylic acid can sit in a cosmetic exfoliant or push a product into drug territory depending on concentration and claim. Here is the CAS, INCI, and the line.