Dequalinium Chloride
INCI: DEQUALINIUM CHLORIDE
Reviewed by Daisy · Last updated 18 Aug 2026
What Is Dequalinium Chloride?
Dequalinium Chloride (INCI: DEQUALINIUM CHLORIDE) is a cosmetic ingredient listed in the EU CosIng inventory. Quinolinium, 1,1'-(1,10-decanediyl)bis[4-amino-2-methyl-, dichloride.
Its declared cosmetic functions are antimicrobial, antiplaque, deodorant and oral care.
Source: European Commission CosIng inventory.
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