What it is
Didecyldimonium Chloride is a dialkyl quaternary ammonium (quat) compound. In cosmetics it functions as a preservative and antimicrobial agent and can also provide antistatic and conditioning properties. It is used at low levels to help control microbial growth in a formulation.
Safety & warnings
Quaternary ammonium compounds can be irritating at higher concentrations, so they are used at low, controlled levels in finished cosmetics. It is not a recognized fragrance allergen.
Origin & sourcing
It is a synthetic quaternary ammonium compound produced through standard organic synthesis.
Questions everyone asks
What does Didecyldimonium Chloride do?
It serves as an antimicrobial preservative and can provide antistatic and conditioning effects, used at low levels.
Is it a fragrance?
No, it is a quaternary ammonium preservative, not a fragrance ingredient.