Glutamine

AKA: L-glutamine, 56-85-9, Levoglutamide, L-(+)-Glutamine, Cebrogen, Stimulina, Glumin, Glutamic acid amide, Levoglutamid
Synthetic
Skin Conditioner
Hair Care
Not Clean
(S)-2,5-Diamino-5-oxopentanoic acid
Solubility 41300
Formula
C5H10N2O3
Mol. Weight
146.14
CAS #
56-85-9
Form
Liquid
State
Opaque solid; [Merck Index] White powder; [Sigma-Aldrich MSDS]
Skin Types
●all-skin-types
Best For
Dryness
Pregnancy & Breastfeeding Safe
Yes
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
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
Concentration Guide
Leave-on0.002%
Rinse-off0.005%
0%50%100%
CIR reported use · report published 2013
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR