murphyPolyglyceryl-5 Dicaprylate
molecular structure · PubChem
Synthetic
Emollient
Cleanser
Skin Conditioner
Not Clean
OriginDerived from glycerin and caprylic acid (an eight-carbon fatty acid), both typically sourced from coconut or palm oils. Synthesized through esterification, where glycerin is chemically bonded with multiple caprylic acid molecules under catalytic conditions.
Polyglyceryl-5 Dicaprylate is the diester of Caprylic Acid with a glycerin polymer containing 5 glycerin units.
CAS #
108777-93-1
Form
Liquid
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
Functions
Cleansing
Makes oil and water mix so dirt, makeup, and sunscreen can actually be washed away. The reason your face wash foams.
Skin Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Emollient
Fills in the tiny cracks between skin cells to make everything feel smooth and soft. The "silky finish" ingredient.
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-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