PEG-18

PEG-18 is a cosmetic ingredient used as a humectant, solvent agent. It is used in 7 products in our dataset. It is regulated in the EU (listed in a Cosmetics Regulation annex).

INCI namePEG-18
FunctionHUMECTANT, SOLVENT
CAS number25322-68-3
Prevalence7 products (0.01% of dataset)
Most used inSkincare
EU statusRestricted (annex )
Monthly searches10

Used in

Foundations 28.6%Serums 28.6%Eye Moisturizers 14.3%Facial Treatments 14.3%Night Moisturizers 14.3%

Frequently asked

What does PEG-18 do in skincare?
PEG-18 functions as a humectant, solvent agent in cosmetic formulas.
Is PEG-18 allowed in cosmetics?
Yes, but it is regulated in the EU — it appears in a Cosmetics Regulation annex with usage conditions.
What products contain PEG-18?
It is most commonly found in Skincare products, especially foundations (28.6% of its uses).

Manufacturers with experience using PEG-18

Match with vetted US contract manufacturers that have hands-on experience formulating with this ingredient.