PEG-9

PEG-9 is a low-molecular-weight polyethylene glycol used in personal care as a water-soluble humectant and solvent. It's selected to attract moisture, improve glide, and help dissolve actives and fragrances in serums, lotions, and cleansers.
Like this ingredient?

Ingredient Snapshot

Overview
A humectant that draws water to skin for a softer, supple feel.
Category
Hydration, Skin Conditioning
Type
Humectant

Ingredient Ratings

Overall Rating

Good

Comedogenic Risk

None

Skin Benefits

Draws water to the stratum corneum for a softer, supple feel and boosts slip. Helps keep certain ingredients evenly distributed for consistent application.

Uses In Skincare & Cosmetics

Used in hydrating serums, lightweight lotions, micellar waters, and gel cleansers to boost moisture feel and formula uniformity.

Comedogenic Rating

This ingredient is not typically evaluated for comedogenicity, and no standardized rating is available.

Safety

Usually non-irritating and suitable for most skin types; may sting on broken or very sensitive skin. Cosmetic-grade PEGs are refined to limit impurities like 1,4-dioxane and ethylene oxide.

Is PEG-9 a Good Ingredient?

Rated Good as an effective lightweight humectant and solvent that improves slip and moisture feel with generally good tolerance. Its benefits are modest and not strongly evidenced for barrier repair, which earns it a solid Good rather than a top rating.

Products with PEG-9

Related Ingredients