Soyamine
INCI: SOYAMINE
Reviewed by Daisy · Last updated 14 Aug 2026
A plant-derived ingredient that helps stabilise formulations and improve texture
Best For Skin Types
All
Usage Frequency
Daily
What Is Soyamine?
Soyamine is a naturally derived ingredient obtained from soybean sources. It functions primarily as an emulsifier and antistatic agent, meaning it helps bind together ingredients that would normally separate and reduces static charge in formulations.
In skincare products, soyamine serves a largely technical role—supporting the stability and sensory experience of the product rather than delivering direct active benefits to the skin itself. It is used at relatively low concentrations and is generally considered a supporting ingredient rather than a hero component.
How It Works
Soyamine works as an emulsifier by positioning itself at the boundary between water and oil phases in a formulation, allowing these normally incompatible substances to blend smoothly. This prevents the product from separating into layers and maintains consistent texture throughout the product's shelf life.
Its antistatic function reduces electrical charge buildup within the formula, which can affect how the product feels and performs during application.
Clinical Evidence & References
There is limited published clinical evidence specifically examining soyamine's effects on skin health. Most research into this ingredient focuses on its technical performance in cosmetic formulations rather than direct skin benefits.
As a supporting ingredient, soyamine is not typically the focus of efficacy studies. Its safety profile is generally well-established through cosmetic use, but consumers seeking active skincare benefits would be better served by other components within a formula.
How to Use
Soyamine is present in finished products at concentrations determined by the manufacturer, so consumers do not need to adjust usage. As with any skincare product containing soyamine, apply as directed and monitor your skin's response, particularly if you have known sensitivities to soy-derived ingredients.
Safety & Precautions
Frequently Asked Questions
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Stearamidopropyl Dimethylamine
A conditioning agent that reduces static and improves texture in rinse-off formulations
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