Methyl Gluceth-10

AKA: 68239-42-9, 2-[[(2R, 6R)-3, 4, 5-tris(2-hydroxyethoxy)-6-methoxyoxan-2-yl]methoxy]ethanol, Methyl 2, 3, 6-tetrakis-O-(2-hydroxyethyl)hexopyranoside
Synthetic
Humectant
Cleanser
Emulsifier
Clean
Poly(oxy-1,2-ethanediyl), .alpha.-hydro-.omega.-hydroxy-, ether with methyl .beta.-d-glucopyranoside (4:1)
Effective at 3.5%
Formula
C15H30O10
Mol. Weight
370.39
CAS #
68239-42-9
Form
Liquid
Functions
Humectant
A moisture magnet. Pulls water from the air and deeper skin layers up to the surface to keep skin plump and hydrated.
Moisturising
Emulsifying
Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.
Locks In Moisture
Traditional Use
A modern synthetic humectant created for cosmetic formulations. Designed to improve water binding and skin hydration while maintaining product stability.
EWG
2
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
medical-approval
all-shades-safe
Mild Irritant
Concentration Guide
1.0%
6.0%
0%8%
Reported use
CIR reported use: 1-5 | 2-6
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Skin Types
all-skin-types
Best For
Dryness
Pregnancy & Breastfeeding Safe
Yes
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.
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR