OriginDerived from fatty alcohols or long-chain aliphatic alcohols, typically synthesized from natural oil sources. Produced through hydrogenation and etherification of glycerol and long-chain fatty alcohols.
(S)-3-(Hexadecyloxy)propane-1,2-diol
Formula
C19H40O3
Mol. Weight
316.50
CAS #
506-03-6, 6145-69-3
Form
Liquid
State
Solid; [Merck Index]
Skin Types
●all-skin-types, gentle
Best For
Dryness
Pregnancy & Breastfeeding Safe
Yes
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.
Emollient
Fills in the tiny cracks between skin cells to make everything feel smooth and soft. The "silky finish" ingredient.
Viscosity Controlling
Locks In Moisture
The paper trail
🔬Peer-reviewed1 paper →
⚖️Regulatory1 listing →
🛡️Safety-assessed2 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
1
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not Phototoxic (CIR Panel on the ingredient group)
CIR Panel statement covering this group of ingredients; not tested individually (CIR 588)
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