Glutamine
molecular structure · PubChem
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]
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
An amino acid present in proteins, identified in the early 20th century. Though not a traditional cosmetic ingredient, glutamine is used in modern skincare for its role in maintaining skin hydration and barrier function.
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: PubChem · CosIng · EWG · CIR