PEG-8

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.
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Ingredient Snapshot

Overview
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.