PPG-38-Buteth-37

PPG-38-Buteth-37 molecular structure
molecular structure · PubChem
AKA: Polypropylene Glycol 38 Buteth-37
Synthetic
Cleanser
Skin Conditioner
Hair Care
Clean
OriginDerived from propylene glycol and butanol, members of the synthetic alcohol and glycol chemical families. Synthesized through ethoxylation and condensation reactions to create this polypropylene glycol ether compound.
Oxirane, methyl-, polymer with oxirane, monobutyl ether
CAS #
9038-95-3
Form
Liquid
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
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.
Cleansing
Makes oil and water mix so dirt, makeup, and sunscreen can actually be washed away. The reason your face wash foams.
Locks in moisture
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.
EWG
1
CIR
Safe as used
Pregnancy
Yes
Concentration Guide
Leave-on0.8%
Rinse-off0.4–0.8%
0%50%100%
CIR reported use · 2015 survey
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: CosIng · EWG · CIR