Ingredient library
Every ingredient SkinAtlas knows about — all 2176 of them. What each one does, what it works well with, and what to watch for.
28 ingredients in Other matching "acid" — page 2 of 2
A naturally occurring dicarboxylic acid used in cosmetics primarily as a pH adjuster and mild chelating agent, with secondary humectant properties.
The tetrasodium salt of etidronic acid (HEDP — hydroxyethylidene diphosphonic acid). A chelating agent that binds calcium and heavy metal ions in formulations, preventing oxidative degradation and enhancing preservative effectiveness. Common in toners and emulsions.
A biodegradable chelating agent used as a greener alternative to disodium EDTA to bind trace metals and improve preservative performance in cosmetics.
An essential amino acid (L-tryptophan) included in cosmetic amino acid complexes that mimic the skin's natural moisturizing factor, providing conditioning and supporting protein synthesis.