Glycoproteins

AKA: Polysaccharide-K, TEINS glucan, Beta-1, Beta-D-Glucan, PSK extract, Trametes versicolor, Protein-bound polysaccharide extract

Synthetic

Skin Conditioner

Amino Acid

Synthetic

Clean

Glycoproteins is a cosmetic ingredient. Rated low hazard by EWG.

CAS #

84082-51-9

Form

Powder

Functions

Skin Conditioning

A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.

Conditions Hair

Conditions Skin

Softens and detangles hair

EWG

CIR

Insufficient

Pregnancy

Yes

CIR Safety Findings

all-shades-safe

Regulatory Status

USAunder review

EU⚠ restricted

JAPAN⚠ restricted

CANADA⚠ restricted

Regulatory Agencies

Skin Types

●all-skin-types

Best For

Dryness

Pregnancy & Breastfeeding Safe

Yes

The paper trail

🔬Peer-reviewed1 paper →

⚖️Regulatory0 listings

🛡️Safety-assessed1 review →

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

Verified Jun 2026

Data: CosIng · EWG · CIR