INCI · humectant · CIR review pending · used in 1 products
Sodium Polyaspartate
Sodium Polyaspartate is the sodium salt of polyaspartic acid, a homopolymer of aspartic acid, registered under CAS # 94525-01-6. It is a synthetic polymer used in cosmetic and personal care formulations for its water-attracting properties. According to CosIng, its official functions include hair conditioning, humectant, and skin conditioning.
Evidence level
weakEWG score
—Comedogenic
—Category
humectant● Benefits
Sodium Polyaspartate acts as a humectant, drawing moisture to the skin and hair to support hydration. It also provides skin and hair conditioning benefits, helping to improve texture and softness.
hydratingmoisturizingbarrier-support
● Cautions
