Colorant

Phenolsulfonphthalein

INCI: PHENOLSULFONPHTHALEIN
CAS 143-74-8 EC 205-609-7
pH indicator, colorant (non-cosmetic primary use)
Generally Safe
This ingredient has a good safety profile based on available data.
Purpose

Function

pH indicator, colorant (non-cosmetic primary use)
Profile

Properties

Silicone
Silicone free
Malassezia
Safe
Fungal Acne
Safe
Details

Description

pH indicator, colorant (non-cosmetic primary use)

Reference

Identifiers

CAS Number
143-74-8
EC Number
205-609-7
INCI
PHENOLSULFONPHTHALEIN
Category
Colorant
Updated
Apr 2, 2026