Hydroxycinnamic acid (inci)

Author: Prof. Dr. med. Peter Altmeyer

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Last updated on: 10.07.2025

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Synonym(s)

4-Coumaric acid; 4-hydroxycinnamic acid; CAS number: 7400-08-0

Definition
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Hydroxycinnamic acid, 4-hydroxycinnamic acid, a derivative of cinnamic acid, is used in cosmetic formulations. The 4-hydroxycinnamic acid acts as a skin care product. See also under hydroxycinnamic acids.

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Last updated on: 10.07.2025