Snapshot
- Overview
- A moisture-drawing ingredient that keeps water-based formulas feeling smooth.
- Category
- Hydration, Skin Conditioning
- Type
- Humectant
Triethylene Glycol
Triethylene glycol (TEG) is a small, water-soluble polyether diol used in topical and hygienic products. It acts as a humectant and co-solvent, drawing moisture, supporting stability, and reducing tack in water-based systems.
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Our take
Is Triethylene Glycol a Good Ingredient?
It rates Good as an effective humectant and co-solvent that adds comfortable hydration with typically low irritation, though it's less potent than leading humectants and can be sensitizing for a small subset of users.
What it does
Skin Benefits
Draws water to the skin to help maintain suppleness while keeping formulas feeling comfortable rather than sticky, supporting a smoother, more hydrated complexion in water-based products.
Where you'll find it
Uses in Skincare & Cosmetics
Typically found in toners, essences, gel moisturizers, and water-light cleansers where a humectant and co-solvent are needed.
Before you use it
Safety
Usually low risk, but glycols can cause mild irritation or stinging on compromised skin or around the eyes. Patch testing is sensible for very sensitive users. No common regulatory limitations in cosmetics.
Products with Triethylene Glycol
