Rice Amino Acids

AKA: Hydrolyzed rice protein, Rice protein amino acids
Plant-Derived Synthetic
Skin Conditioner
Hair Care
Amino Acid
Acid
Clean
OriginNative to Japan, Korea, China. Derived from rice seeds (Poaceae family), primarily sourced from Japan, Korea, and China. Produced through complete hydrolysis of rice protein into constituent amino acids.
Rice Amino Acids is the mixture of amino acids derived from the complete hydrolysis of rice protein
CAS #
-
Skin Types
●all-skin-types
Best For
Dryness
Pregnancy & Breastfeeding Safe
Yes
Functions
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
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.
EWG
1
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Skin Irritant
1 study / 1 not irritating (CIR 625)
Not an Eye Irritant
1 study / 1 not irritating (CIR 625)
Concentration Guide
Leave-on0.2%
Rinse-offNot reported
0%50%100%
CIR reported use · report published 2014
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: CosIng · EWG · CIR