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


Antioxidant Day Créme
Hyaluronic Acid Serum
Collagen Fibre Eye Pads with Myoxinol
Nourishing Niacinamide Serum
Eye Gelee Concentrate
Kojic Acid Brightening Créme
BLACK Hypoallergenic Mascara
INTERCELL™ Hyaluronic Acid Night Gel
Elastin & Collagen Body Firming Lotion