Nylon-12/6/66 Copolymer
AKA “Polyamide copolymer, Nylon copolymer 12/6/66”
Ingredient
Ingredient Facts
Nylon-12/6/66 copolymer
AKA: Polyamide copolymer, Nylon copolymer 12/6/66
Ingredient · Film Forming · EWG: 4
Synthetic
Occlusive
Not Clean
6-Aminohexanoic acid, 12-aminododecanoic acid, 1,6-hexanedioic acid, 1,6-hexanediamine copolymer
CAS #
25038-54-4; 25035-04-5; 28774-87-0; 25038-74-8
Form
Liquid
State
Solid
See origin →
Functions
Film Forming
Creates a physical seal on skin to lock moisture in and keep irritants out. The "slugging" ingredient — barrier protection.
Creates Protective Barrier
Traditional Use
Modern synthetic polymer developed as a blend of nylon types for enhanced cosmetic performance. Used as an absorbent and conditioning agent in powder-based beauty products.
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
Verified Jun 2026
Data: CosIng · EWG · CIR