Nylon-611
AKA “Polyamide 611, Nylon 611, PA 611
Ingredient
Ingredient Facts
Nylon-611
AKA: Polyamide 611, Nylon 611, PA 611
Ingredient · Absorbent · EWG: 2
Synthetic
Clean
Nylon-611 is a polyamide formed by the reaction undecanoic acid with hexylenediamine
CAS #
25038-54-4; 25035-04-5; 28774-87-0; 25038-74-8
Form
Powder
See origin →
Functions
Absorbent
Absorbs Excess Oil
Traditional Use
Synthetic polyamide polymer created in the 1950s for industrial and cosmetic applications. Functions as a film-former and absorbent in makeup and skincare formulations.
Skin Types
all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
EWG
2
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
medical-approval
all-shades-safe
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Verified Jun 2026
Data: CosIng · EWG · CIR