PEG-8 is a low-molecular-weight polyethylene glycol used as a water-soluble humectant and solvent in personal care. It's chosen to improve moisture retention, boost spreadability, and aid ingredient delivery in lightweight formulas.
A lightweight humectant that helps skin feel hydrated, not heavy.
Category
Hydration
Type
Humectant
Ingredient Ratings
Overall Rating
Great
Comedogenic Risk
None
Skin Benefits
Helps skin feel comfortably hydrated and refreshed without heaviness. Aids in evenly dispersing other components for consistent performance.
Uses In Skincare & Cosmetics
Common in toners, essences, mists, and gel moisturizers for a light, hydrating touch; also used in gentle cleansers to support a smooth, fluid texture.
Comedogenic Rating
This ingredient is not typically evaluated for comedogenicity, and no standardized rating is available.
Safety
Generally considered low risk for irritation and suitable for most skin types. Rare sensitivity is possible, particularly on broken or highly reactive skin; impurities are typically minimized through modern purification.
Is PEG-8 a Good Ingredient?
Earns a Great rating as a well-studied, water-soluble humectant that consistently improves hydration, with excellent stability and a low irritation profile across a wide pH range, distinguishing it from a merely good humectant.