An ammonium salt used in many cosmetics. It is toxic. Causes eye irritations, hair loss, scalp scales similar to dandruff, and serious allergic reactions. Examples are cetrmonium bromide and cetylpyridinium chloride, which are used as detergents and topical antiseptics in various cosmetics. Avoid.
Quaternium may refer to:
- Polyquaternium
- Quaternium-15
- quaternary ammonium, functional group, cation, salt, compound


Sea Salt Cleansing Gel
Calming Rejuvenation Creme
High Potency Vitamin C Serum
Eye Gelee Concentrate
BLACK Hypoallergenic Mascara
Firming Facial Créme with Alpha Lipoic Acid + Vitamin C Ester + DMAE
Multi-Factor Brightening Créme
Rosewater Facial Spray
Eye Complex Firming Creme