Laneth-10 Acetate

AKA: 2-Hydroxyethyl acetate, 542-59-6, Ethylene glycol monoacetate, 2-Acetoxyethanol, Glycol monoacetate, Beta-Hydroxyethyl acetate, ETHYLENEDIOL MONOACETATE, MONOACETYL ETHYLENE GLYCOL
Synthetic
Emollient
Cleanser
Emulsifier
Skin Conditioner
Hair Care
Not Clean
OriginDerived from lanolin (wool wax) or synthesized from petroleum-based ethylene oxide and fatty alcohols. Produced through ethoxylation and acetylation of lanolin or fatty alcohol precursors.
See also: Lanolin, ethoxylated, acetate (annotation moved to).
Solubility greater than or equal to 100 mg/mL at 70 °F (NTP, 1992)
Formula
C4H8O3
Mol. Weight
104.10
CAS #
65071-98-9
Form
Liquid
State
Almost odorless clear colorless liquid. (NTP, 1992)
Skin Types
●all-skin-types
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.
Emollient
Fills in the tiny cracks between skin cells to make everything feel smooth and soft. The "silky finish" ingredient.
Emulsifying
Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.
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
4
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
2 studies / 2 not sensitizing (CIR 226)
Mixed Eye Irritation Results
2 studies / 1 irritating / 1 not irritating (CIR 226)
Mixed Skin Irritation Results
5 studies / 1 irritating / 1 mixed / 3 not irritating (CIR 226)
Concentration Guide
CIR's newest survey reports no concentration of use.
CIR · 2022 survey
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR