Methoxy PEG-10
AKA “Methoxypoly(Ethylene Glycol) 10, Polyethylene Glycol Methyl Ether 10”
Synthetic
Ingredient Facts
Methoxy peg-10
AKA: Methoxypoly(Ethylene Glycol) 10, Polyethylene Glycol Methyl Ether 10
Synthetic · Humectant · EWG: 4
Synthetic
Humectant
Solvent
Skin Conditioner
Synthetic
Clean
A gentle humectant that draws moisture into skin and helps formulas blend smoothly. Keeps products feeling lightweight while maintaining hydration.
CAS #
9004-74-4
Form
Liquid
See origin →
Functions
Humectant
A moisture magnet. Pulls water from the air and deeper skin layers up to the surface to keep skin plump and hydrated.
Solvent
Dissolves other ingredients so they distribute evenly in the formula. Often the invisible "base" everything else is mixed into.
Humectant
A moisture magnet. Pulls water from the air and deeper skin layers up to the surface to keep skin plump and hydrated.
Moisturising
Locks In Moisture
Traditional Use
Synthetic polyethylene glycol derivative developed mid-20th century for cosmetic use as a humectant and solvent to improve product texture and ingredient solubility.
Skin Types
●all-skin-types
Best For
General
Melanin-Rich Skin
Suitable
Pregnancy & Breastfeeding Safe
Yes
EWG
4
CIR
Safe
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Agencies
Verified Feb 2026
Data: CosIng · EWG · CIR