Nylon-611

AKA: Polyamide 611, Nylon 611, PA 611

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

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.

EWG

CIR

Safe as used

Pregnancy

Yes

CIR Safety Findings

medical-approval

all-shades-safe

Regulatory Status

USA✔ permitted

EU⚠ restricted

JAPAN⚠ restricted

CANADA⚠ restricted

Regulatory Agencies

EWG CIR FDA EU COSING Health Canada

Skin Types

●all-skin-types

Best For

General

Pregnancy & Breastfeeding Safe

Yes

The paper trail

🔬Peer-reviewednone on file

⚖️Regulatory1 listing →

🛡️Safety-assessed2 reviews →

Counts, not a verdict. A listing isn't a study. The trail, you decide.

Verified Jun 2026

Data: CosIng · EWG · CIR