Methyl Undecylenate

Methyl undecylenate is a fatty acid methyl ester derived from castor or other vegetable sources, used as a light emollient and slip agent to improve skin feel and support a smooth, elegant application.
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Ingredient Snapshot

Overview
A lightweight emollient that softens skin without a tacky feel.
Category
Skin Conditioning
Type
Emollient

Ingredient Ratings

Overall Rating

Good

Comedogenic Risk

None

Skin Benefits

Softens skin with a breathable, lightweight afterfeel and helps reduce tackiness, contributing to a cushioned, refined finish.

Uses In Skincare & Cosmetics

Included in lotions, milky serums, and hand creams for improved slip. May also appear in lightweight hair and scalp treatments.

Comedogenic Rating

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

Safety

Typically well tolerated; sensitization is uncommon but possible, so patch testing is prudent for reactive skin. Suitable for most skin types when used as directed.

Is Methyl Undecylenate a Good Ingredient?

As a lightweight emollient, it improves spreadability and soft feel with a low likelihood of irritation or pore clogging, which earns it Good; the benefits are primarily sensory rather than corrective.

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