QUATERNIUM-93 is graded A (Safe) by Expert·ING, based on COSING regulatory data.
QUATERNIUM-93
Safety grade: A
This is a conditioning agent that helps detangle and smooth hair. It's a positively charged molecule that attaches to hair strands to reduce frizz and make hair easier to comb through.
It conditions and detangles hair by coating the hair shaft, reducing friction between strands and making hair feel softer and more manageable.
Graded using: COSING.
Last verified: May 26, 2026
Other Hair Conditioning ingredients
- GLYCERIN — Grade B
- COCAMIDOPROPYL BETAINE — Grade A
- PANTHENOL — Grade A
- CAPRYLYL GLYCOL — Grade A
- SALICYLIC ACID — Grade C**
- CYCLOPENTASILOXANE — Grade C**
- BEHENTRIMONIUM CHLORIDE — Grade A
- MALTODEXTRIN — Grade A