INCI · other · CIR review pending · used in 2 products
Polyether-1
Polyether-1 is a copolymer composed of PEG-180, dodoxynol-5, PEG-25 tristyrylphenol, and tetramethoxymethylglycoluril monomers. It is primarily used in cosmetic and personal care formulations as a viscosity-controlling agent. It appears frequently in sunscreen, shave cream, conditioner, and skincare products.
Evidence level
weakEWG score
—Comedogenic
—Category
other● Benefits
Polyether-1 functions as a viscosity controller, helping to adjust and stabilize the texture and consistency of cosmetic formulations. No direct skin-benefit claims are supported by the source beyond its role as a formulation aid.
viscosity-controlling
● Cautions
