Snapshot
- Overview
- A plant-derived humectant that hydrates skin with a smooth glide.
- Category
- Hydration, Skin Conditioning
- Type
- Humectant
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.
Like this ingredient?
Our take
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.
What it does
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.
Where you'll find it
Uses in Skincare & Cosmetics
Used in serums, toners, gels, and sheet masks as a humectant-solvent to boost slip and improve sensorial feel.
Before you use it
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.
Products with Propanediol
