Glutamine
AKA “L-glutamine, 56-85-9, Levoglutamide, L-(+)-Glutamine, Cebrogen, Stimulina, glumin, Glutamic acid amide, Levoglutamid”
Skin Conditioning
Ingredient Facts
Glutamine
AKA: L-glutamine, 56-85-9, Levoglutamide, L-(+)-Glutamine, Cebrogen, Stimulina, Glumin, Glutamic acid amide, Levoglutamid
Skin Conditioning · Antistatic · EWG: 4
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]
See origin →
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
Acetyl Glutamine
European Commission
EU Cosmetic Ingredient Database (CosIng)
Glutamine
European Commission
EU Cosmetic Ingredient Database (CosIng)
Role of glutamine synthetase in angiogenesis beyond glutamine synthesis.
Eelen G, Dubois C, Cantelmo AR, Goveia J, Brüning U et al.
Nature, 2018
Acetyl Glutamine
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR