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"Polyacid" is a broad term that can refer to various acidic polymers or compounds. In skincare, these often function as exfoliants (like AHAs, BHAs, PHAs) to remove dead skin cells, or as humectants to attract and hold moisture. Without a specific INCI, its exact function varies.
No specific concern data available
Safety summary
Safety depends entirely on the specific polyacid used. Some can be irritating or increase sun sensitivity, while others are gentle. Always refer to the specific ingredient for safety information.
For informational purposes only. This is not medical advice. Always patch test new products and consult a dermatologist for skin concerns.