preservative

4-Hydroxybenzoic Acid

INCI: 4-HYDROXYBENZOIC ACID
CAS 99-96-7
Read what 4-Hydroxybenzoic Acid is doing in your skincare and cosmetic formulas and browse products you can find it in.
Limited Data
Insufficient safety data available. Consider enriching this ingredient.
Purpose

Function

Preservative, pH Balancer
Profile

Properties

Silicone
Silicone free
Details

Description

Read what 4-Hydroxybenzoic Acid is doing in your skincare and cosmetic formulas and browse products you can find it in.

Reference

Identifiers

CAS Number
99-96-7
INCI
4-HYDROXYBENZOIC ACID
Category
preservative
Updated
May 6, 2026