Polyquaternium-63
molecular structure · PubChem
AKA: Polyquaternium 63
Synthetic
Skin Conditioner
Hair Care
Not Clean
Polyquaternium-63 is the polymeric quaternary ammonium salt formed by acrylamide, acrylic acid and ethyltrimonium chloride acrylate
CAS #
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Functions
Hair Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Skin Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Locks in moisture
Traditional Use
A modern synthetic polymer used as a conditioning and film-forming agent in cosmetics. Created to enhance product performance and provide improved sensory attributes in hair and skincare products.
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
The paper trail
🔬Peer-reviewednone on file
⚖️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