Soy Acid

Soy acid is a mixture of fatty acids derived from soybean oil for cosmetic use. It acts as an emollient and conditioning agent, supporting a softer feel, barrier comfort, and smooth glide without heavy occlusion in creams and oils.
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Ingredient Snapshot

Overview
A soy-derived blend of fatty acids that softens and conditions skin.
Category
Barrier Support, Skin Conditioning
Type
Emollient

Ingredient Ratings

Overall Rating

Good

Comedogenic Risk

None

Skin Benefits

It nourishes the skin's surface so it feels supple and more comfortable, and improves slip during application for a softer, cushioned feel.

Uses In Skincare & Cosmetics

It's used in creams, balms, and cleansing oils to boost richness and skin glide, and is common in lip treatments and hand creams.

Comedogenic Rating

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

Safety

It's typically well tolerated; people with soy allergies should use caution, as trace residues could theoretically trigger a reaction. Avoid direct eye contact to minimize transient stinging.

Is Soy Acid a Good Ingredient?

It rates Good as a blend of fatty acids that reliably conditions and supports the barrier, with a long track record in cosmetics and generally low irritation potential. Its performance is consistent across many formula types, though it isn't a standout treatment active.

Products with Soy Acid

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