murphyHydrolyzed Soy Protein
molecular structure · PubChem
AKA: Hydrolyzed Soy Protein Extract
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
Skin Types
●all-skin-types
Best For
Dryness
Pregnancy & Breastfeeding Safe
Yes
Allergen Warning
⚠️ Soy
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
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.
EWG
4
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Skin Irritant
3 studies / 3 not irritating (CIR 700)
Not a Sensitizer
2 studies / 2 not sensitizing (CIR 700)
Mixed Eye Irritation Results
2 studies / 2 mixed / reactions slight (CIR 700)
Concentration Guide
Leave-on0.00003–3.5%
Rinse-off0.0001–0.63%
0%50%100%
CIR reported use · 2014 survey
Regulatory Agencies
Verified Jun 2026
Data: CosIng · EWG · CIR