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Is 4-Hydroxybenzoic Acid vegan?

4-Hydroxybenzoic Acid

Vegan

4-Hydroxybenzoic Acid, also known as p-hydroxybenzoic acid (PHBA), is a phenolic derivative of benzoic acid used mainly as the basis for parabens, which serve as preservatives in cosmetics and pharmaceuticals.

Also known as p-Hydroxybenzoic Acid, PHBA
INCI name 4-Hydroxybenzoic Acid
CAS number 99-96-7
EC number 202-804-9
CosIng ID 31527
Last reviewed 9 July 2026

Sources

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