thickener · thickener
Sodium Polyacrylate Starch
Generally safe·Moderate evidence
A modified starch polymer used to thicken and film-form in cosmetics. It is readily broken down in the environment and well tolerated in topical use, with no known sensitization concerns at typical cosmetic concentrations.
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Cosmetic information for general education, not medical advice. A verdict is a reading of the published evidence, never a guarantee for your skin: any ingredient can irritate someone, so patch test new products and see a professional if you react. Concern is graded on cited evidence, never on hazard-score lists. See how we score.