Glutamic Acid
AKA “L-glutamic acid, (2S)-2-Aminopentanedioic acid, L-glutamate, (S)-2-Aminopentanedioic acid, Glutamidex, Aciglut, Glutaminol, Glutaton”
Synthetic
Ingredient Facts
Glutamic acid
AKA: L-glutamic acid, (2S)-2-Aminopentanedioic acid, L-glutamate, (S)-2-Aminopentanedioic acid, Glutamidex, Aciglut, Glutaminol, Glutaton
Synthetic · Humectant · EWG: 4
Synthetic
Humectant
Skin Conditioner
Hair Care
Synthetic
Clean
A naturally derived amino acid that helps hair stay smooth and frizz-free while locking in moisture for softer, more hydrated strands.
Solubility 8570
Formula
C5H9NO4
Mol. Weight
147.13
CAS #
56-86-0
Form
Liquid
State
Liquid
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.
Humectant
A moisture magnet. Pulls water from the air and deeper skin layers up to the surface to keep skin plump and hydrated.
Locks In Moisture
Traditional Use
An amino acid first isolated in 1866 from wheat gluten. While not traditionally used in skincare, glutamic acid occurs naturally in the skin and was later incorporated into cosmetics for its hydrating and skin-conditioning properties.
Skin Types
●all-skin-types
Best For
Dryness
Melanin-Rich Skin
Suitable
Pregnancy & Breastfeeding Safe
Yes
Acetyl Glutamic Acid
European Commission
EU Cosmetic Ingredient Database (CosIng)
Cocoyl Glutamic Acid
European Commission
EU Cosmetic Ingredient Database (CosIng)
Glutamic Acid
European Commission
EU Cosmetic Ingredient Database (CosIng)
Lauroyl Glutamic Acid
European Commission
EU Cosmetic Ingredient Database (CosIng)
Myristoyl Glutamic Acid
European Commission
EU Cosmetic Ingredient Database (CosIng)
Palmitoyl Glutamic Acid
European Commission
EU Cosmetic Ingredient Database (CosIng)
Stearoyl Glutamic Acid
European Commission
EU Cosmetic Ingredient Database (CosIng)
Glutamic Acid
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Lauroyl Glutamic Acid
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Stearoyl Glutamic Acid
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Verified Feb 2026
Data: PubChem · CosIng · EWG · CIR