AKA: Acetylated Hyaluronic Acid, Sodium Acetylated HA
Synthetic · Humectant · EWG: 4
Synthetic
Humectant
Skin Conditioner
Hyaluronic Acid
Synthetic
Clean
Sodium Acetylhyaluronate Science: Process: Acetylation | Functions: Humectant Safety Ratings: CIR: Safe as used
CAS #
9004-61-9; 9067-32-7; 31799-91-4
Form
Liquid
See origin →
Functions
Humectant
A moisture magnet. Pulls water from the air and deeper skin layers up to the surface to keep skin plump and hydrated.
Skin Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Locks In Moisture
Traditional Use
Hyaluronic acid was first isolated in 1934 from rooster combs; this acetylated sodium form is a 20th-century cosmetic modification designed to improve stability and skin penetration compared to natural hyaluronic acid.