murphyC18-22 Hydroxyalkyl Hydroxypropyl Guar
molecular structure · PubChem
AKA: Hydroxypropyl Guar Derivative, Modified Guar Gum
Synthetic
Skin Conditioner
Hair Care
Clean
OriginDerived from guar gum, a natural polysaccharide extracted from guar beans, chemically modified with synthetic compounds. Produced through sequential reaction of hydroxypropyl guar with C18-22 alkyl epoxide and propylene oxide.
C18-22 Hydroxyalkyl Hydroxypropyl Guar is the product formed by the reaction of Hydroxypropyl Guar with a C18-22 alkyl epoxide and propylene oxide
CAS #
9000-30-0; 39421-75-5; 65497-29-2
Form
Powder
Skin Types
●all-skin-types, gentle
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.
Locks in moisture
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