Cosmetic Ingredient

Quaternium-45

INCI: QUATERNIUM-45
CAS 21034-17-3 EC 244-158-0
3,4-Dimethyl-2-[2-(phenylamino)vinyl]oxazolium iodide
Generally Safe
This ingredient has a good safety profile based on available data.
Purpose

Function

Antistatic
Profile

Properties

Silicone
Silicone free
Malassezia
Safe
Fungal Acne
Safe
Details

Description

3,4-Dimethyl-2-[2-(phenylamino)vinyl]oxazolium iodide

Reference

Identifiers

CAS Number
21034-17-3
EC Number
244-158-0
INCI
QUATERNIUM-45
Category
Cosmetic Ingredient
Updated
Apr 2, 2026