A fatty tertiary amine used as a hair-conditioning ingredient.
What it is
Stearoxypropyl dimethylamine is N,N-dimethyl-3-(octadecyloxy)propylamine, a tertiary amine carrying a stearyl ether chain. In acidic formulas it becomes positively charged. CosIng lists it as a hair-conditioning ingredient.
Where it is used
Found in conditioners, hair masks and other hair care products.
Limits of interpretation
The INCI list shows which ingredients are present, not how much of each. Above 1%, ingredients are listed in descending order of weight; below 1% the order is free.
Functions
- Hair conditioning
- Enhancing the appearance and feel of hair. Leaving the hair easy to comb, supple, soft and shiny and/or imparting volume, lightness, gloss, texture, etc.
EU regulation
This ingredient is not listed in the annexes of Regulation (EC) No 1223/2009 in the CosIng data.

