Octyldodecyltrimonium Chloride
AKA “Octyldodecyltrimonium Chloride, Quaternary Ammonium Salt
Synthetic
Ingredient Facts
Octyldodecyltrimonium chloride
AKA: Quaternary Ammonium Salt
Synthetic · Antistatic · EWG: 4
Synthetic
Skin Conditioner
Hair Care
Synthetic
Clean
1-Dodecanaminium, 2-octyl-N,N,N-trimethyl-, chloride Science: Functions: Antistatic, Hair Conditioning Safety Ratings: CIR: Safe as used
CAS #
-
Form
Liquid
See origin →
Functions
Antistatic
Hair Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Reduces Static
Conditions Hair
Reduces flyaways
Softens and detangles hair
Traditional Use
A synthetic quaternary ammonium compound developed in the mid-20th century for use as a conditioning and antistatic agent. Created as an alternative to natural conditioning agents found in traditional hair and skincare products.
Skin Types
all-skin-types
Best For
General
Melanin-Rich Skin
Suitable
Pregnancy & Breastfeeding Safe
Caution
EWG
4
CIR
Safe w/Qualifications
Pregnancy
Caution
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Verified Feb 2026
Data: CosIng · EWG · CIR