Hydrolyzed Rice Protein

AKA: Rice Protein Hydrolysate, Hydrolyzed Rice Proteins
Synthetic
Skin Conditioner
Hair Care
Clean
Protein hydrolyzates, rice. Substance obtained by acidic, alkaline, or enzymatic hydrolysis of rice composed primarily of amino acids, peptides, and proteins
CAS #
156715-40-1
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.
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
Rice protein derives from traditional Asian beauty practices where rice was ground and used as a gentle cleanser and skin softener. The hydrolyzed version was developed to create smaller protein molecules for better skin penetration and conditioning.
EWG
2
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Skin Types
all-skin-types
Best For
Dryness
Pregnancy & Breastfeeding Safe
Yes
The paper trail
🔬Peer-reviewed1 paper
⚖️Regulatory1 listing
🛡️Safety-assessed2 reviews
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: CosIng · EWG · CIR