Science
Mechanism of Action
This ingredient operates by delivering essential fatty acids, such as linoleic acid, to the skin, which are critical for repairing a compromised skin barrier and enhancing moisture retention. As an emulsifier, it plays a vital role in stabilizing oil and water components within cosmetic formulations. Additionally, as part of broader soy-derived complexes, its components may contribute to antioxidant defense, support collagen synthesis to improve elasticity, stimulate hyaluronic acid production, and influence skin pigmentation by inhibiting melanosome transfer.
Research
Clinical Evidence
Low confidenceN/A
Transparency
Dusting Analysis
The Formula
Formulation
Stability
Soy Acid, being a mixture of oil-soluble fatty acids, integrates well into oil-based formulations. Its stability within cosmetic products is influenced by the overall pH, which determines whether it exists in its acid form or as a salt/soap.
Safety
Safety Profile
The Cosmetic Ingredient Review (CIR) Expert Panel has deemed Soy Acid, alongside other soy-derived oils, safe for cosmetic applications. This conclusion is based on its safe history in food consumption and scientific data indicating a low potential for dermal irritation or sensitization. The U.S. FDA also acknowledges soybean oil and its fatty acids as indirect food additives.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Soy Acid is a valuable multi-functional ingredient that supports skin barrier health, provides moisturization, and offers formulation stability, with potential broader benefits for anti-aging and pigmentation regulation.
Related
Similar Ingredients
Finding similar ingredients…