Snapshot
- Overview
- A soy-derived blend of fatty acids that softens and conditions skin.
- Category
- Barrier Support, Skin Conditioning
- Type
- Emollient
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.
Like this ingredient?
Our take
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.
What it does
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.
Where you'll find it
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.
Before you use it
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.
Products with Soy Acid
