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This is a broad class of polymers, not a specific INCI ingredient. While some polycarboxylates are used in cosmetics (e.g., as thickeners or binders), 'Polycarboxylate' itself is too general to describe a specific function.
No specific concern data available
Safety summary
Safety varies widely depending on the specific polycarboxylate compound. As a general class, a specific safety summary for skincare application is not applicable.
For informational purposes only. This is not medical advice. Always patch test new products and consult a dermatologist for skin concerns.