Glyceryl Pentadecanoate

Synthetic
Cleanser
Emulsifier
Not Clean
OriginSynthesized from glycerol and pentadecanoic acid (a fatty acid), both derived from petroleum or plant oils. Produced through esterification, where glycerol and pentadecanoic acid chemically combine under catalytic conditions.
Pentadecanoic acid, monoester with 1,2,3-propanetriol
Formula
C18H38O5
Mol. Weight
334.50
CAS #
104140-07-0, 122636-37-7
Form
Oil
Skin Types
●all-skin-types
Best For
Dryness
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.
Emulsifying
Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.
Cleansing Surfactant
Emulsifier
Removes Impurities
Mixes Oil & Water
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory1 listing →
🛡️Safety-assessed3 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
4
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not Phototoxic
CIR Panel statement found no phototoxicity in the CIR safety assessment (CIR 344)
Concentration Guide
CIR lists it as not reported to be in use.
CIR · report published 2020
Regulatory Agencies
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR
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