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For informational purposes only — not medical advice. Always consult a dermatologist for skin concerns.

Polyethylene Glycol 40 — Skincare Ingredient Guide — Dermasift — Dermasift

Polyethylene Glycol 40

AI-analyzed

INCI: PEG-40

humectantsolventviscosity increasing agentskin conditioning

What it does

A synthetic polymer of ethylene glycol, with an average of 40 repeating oxyethylene units. In cosmetics, it typically functions as a humectant, solvent, and viscosity modifier, helping to attract and retain moisture, dissolve other ingredients, and adjust product consistency.

Skin Concerns

Beneficial for

drynessdullnesstexturefine lineswrinkleseczema

Safety & Science

Safety summary

Generally considered safe for cosmetic use. PEGs are widely used, have low toxicity, and are non-irritating and non-sensitizing.

CAS Number

25322-68-3

Found In Products

Related Ingredients

At a Glance

INCI Name: PEG-40
Common Name: Polyethylene Glycol 40
Functions: humectant, solvent, viscosity increasing agent, skin conditioning
Products: 39 products
CAS Number: 25322-68-3

For informational purposes only. This is not medical advice. Always patch test new products and consult a dermatologist for skin concerns.