Glyceryl Allyl Ether

AKA: 3-Allyloxy-1, 2-propanediol, 123-34-2, 3-(Allyloxy)propane-1, 2-diol, Glycerol 1-allylether, 3-(Allyloxy)-1, Glycerol alpha-monoallyl ether, Allyl glyceryl, Glycerin 1-allyl ether, 3-(Allyloxy)propanediol
Synthetic
Skin Conditioner
Not Clean
Glyceryl-a-Monoallylether
Formula
C6H12O3
Mol. Weight
132.16
CAS #
123-34-2
Form
Liquid
State
Liquid
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.
Locks in moisture
Traditional Use
A synthetic ether compound derived from glycerin, developed in the 20th century. Used in cosmetics as a humectant and solvent without traditional applications.
EWG
4
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Skin Types
all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
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.
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR