What it is
Hydrolyzed soy protein is produced by breaking down soy protein into smaller peptides and amino acids through hydrolysis, which improves its water compatibility and skin affinity. In cosmetics it is used as a skin-conditioning and film-forming agent that can leave a smooth, conditioned feel. It is common in both skincare and sunscreen formulas marketed for a comfortable finish.
Safety & warnings
Hydrolyzed soy protein is generally well tolerated topically and is not considered comedogenic. Because it is soy-derived, formulators may flag the plant source for those who track soy-based ingredients.
Origin & sourcing
Derived from soybeans (Glycine soja); soy protein is extracted and then hydrolyzed into smaller, water-compatible fragments.
Questions everyone asks
What does hydrolyzed soy protein do for skin?
It conditions the skin and can form a light film that leaves a smooth, comfortable feel on the surface.
What does hydrolyzed mean here?
It means the soy protein has been broken into smaller peptides and amino acids, making it more water-compatible and skin-friendly.