Ingredient dictionary

Tridecyl Trimellitate

Tridecyl Trimellitate is an emollient ester that helps formulas glide, add gloss, and feel soft without a heavy, greasy finish. It is on the label of 22 products in our library. Checked against our library November 6, 2026.

What Tridecyl Trimellitate does

Adds shine to lip gloss
Softens and smooths the feel
Helps pigment and shimmer spread evenly

Tridecyl Trimellitate is made by joining a branched alcohol with trimellitic acid, a building block typically made from petroleum-based starting materials. The result is a large, non-volatile molecule, meaning it stays on the skin rather than evaporating. Formulators reach for it when they want a cushiony, slightly glossy film.

In lip glosses, it helps pigment and shimmer stay evenly mixed, so color looks even. In eye creams, it adds slip so the cream glides over the thin skin around the eyes. It tends to feel cushiony rather than watery, and it is generally well tolerated.

Good for

Suits people who want glossy lips or smooth eye creams without a heavy feel.

Frequently asked questions

Does Tridecyl Trimellitate feel sticky?

It usually feels smooth and slightly cushiony rather than sticky, especially when blended with other oils and waxes. Formulators adjust those partners to tune how glossy or light the final product feels.

Why is Tridecyl Trimellitate in eye cream?

Eye creams need a light, smooth texture that glides over delicate skin. This ester adds slip and softness, so the cream spreads easily and feels comfortable under the eyes. It's a formulation choice, not a treatment.