Hydrolyzed Soy Protein
molecular structure · PubChem
AKA: Hydrolyzed Soy Protein Extract
Allergen Warning
⚠️ Soy
Synthetic
Humectant
Skin Conditioner
Hair Care
Not Clean
Protein hydrolyzates, soya. Substance obtained by acidic, alkaline, or enzymatic hydrolysis of soya composed primarily of amino acids, peptides, and proteins. It may contain impurities consisting chiefly of carbohydrates and lipids along with smaller quantities of miscellaneous organic substances of biological origin
CAS #
68607-88-5
Form
Powder
State
Solid
Functions
Antistatic
Hair Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Humectant
A moisture magnet. Pulls water from the air and deeper skin layers up to the surface to keep skin plump and hydrated.
Skin Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Locks In Moisture
Traditional Use
Soy has been used in Traditional Chinese Medicine and Asian skincare for thousands of years for its skin-nourishing properties. Hydrolyzed soy protein is a modern development designed to improve protein absorption and provide amino acids for skin conditioning.
Skin Types
●all-skin-types
Best For
Dryness
Pregnancy & Breastfeeding Safe
Yes
The paper trail
🔬Peer-reviewed1 paper →
⚖️Regulatory1 listing →
🛡️Safety-assessed1 review →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: CosIng · EWG · CIR