Polyacrylate-1 Crosspolymer
molecular structure · PubChem
AKA: PAA-1
Synthetic
Occlusive
Skin Conditioner
Hair Care
Not Clean
Polyacrylate-1 Crosspolymer is a copolymer of one or more simple esters of acrylic or methacrylic acid, C1-4 dialkylamino C1-6 alkyl methacrylate, PEG/PPG-30/5 allyl ether, PEG 20-25 C10-30 alkyl ether methacrylate, hydroxy C2-6 alkyl methacrylate crosslinked with ethylene glycol dimethacrylate
CAS #
-
Form
Liquid
State
Solid
Functions
Film Forming
Creates a physical seal on skin to lock moisture in and keep irritants out. The "slugging" ingredient — barrier protection.
Hair Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Hair Fixing
Viscosity Controlling
Creates Protective Barrier
Conditions Hair
Controls Viscosity
Traditional Use
A synthetic crosslinked polymer developed for cosmetics as a thickener and suspending agent, with no traditional or historical use prior to modern cosmetic chemistry.
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
The paper trail
🔬Peer-reviewed1 paper →
⚖️Regulatory1 listing →
🛡️Safety-assessed1 review →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: CosIng · EWG · CIR