Castoryl Maleate

Castoryl Maleate is a plant-derived emollient ester formed from castor-origin fatty alcohols and maleic acid. It's used to give a rich, cushioned slip, reinforce the feel of the skin's surface, and improve softness in barrier-focused formulations.
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Ingredient Snapshot

Overview
A castor-derived ester that softens rough, tight-feeling skin.
Category
Skin Conditioning, Barrier Support
Type
Emollient

Ingredient Ratings

Overall Rating

Good

Comedogenic Risk

None

Skin Benefits

Softens rough patches and helps reduce tightness by improving the skin's surface lipids, and supports moisture retention for a smoother, more supple feel.

Uses In Skincare & Cosmetics

Used in rich creams, balms, and barrier-focused moisturizers, as well as lip treatments and hand creams targeting dryness.

Comedogenic Rating

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

Safety

Usually well tolerated with a low chance of irritation. Those with very sensitive skin should patch test, as individual responses to emollient esters can vary.

Is Castoryl Maleate a Good Ingredient?

It's an effective, stable emollient that improves softness and helps reduce moisture loss with generally low irritation risk, which earns it a Good rating; while not a treatment active, it reliably improves skin feel and barrier comfort in many formulas.

Products with Castoryl Maleate

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