Propanediol

Propanediol is a glycol derived from corn sugar used as a humectant and solvent. It attracts water, improves texture and glide, and can help other ingredients penetrate better while cutting tackiness.
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Ingredient Snapshot

Overview
A plant-derived humectant that hydrates skin with a smooth glide.
Category
Hydration, Skin Conditioning
Type
Humectant

Ingredient Ratings

Overall Rating

Great

Comedogenic Risk

None

Skin Benefits

Delivers comfortable hydration and a smoother glide, helping formulas feel less sticky on skin. Can aid in even distribution of other ingredients for more consistent performance.

Uses In Skincare & Cosmetics

Used in serums, toners, gels, and sheet masks as a humectant-solvent to boost slip and improve sensorial feel.

Comedogenic Rating

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

Safety

Typically well tolerated and low in irritation/sensitization in patch testing. Because it can increase ingredient solubility and penetration, very sensitive users may prefer a patch test when paired with strong actives.

Is Propanediol a Good Ingredient?

It's an effective humectant and solvent with strong formulation compatibility, stability in water systems, and low irritation seen in safety reviews and widespread cosmetic use. That combination of performance and tolerability is what supports the Great rating.

Products with Propanediol

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