Glutamic Acid
Amino acid, part of NMF. Humectant, supports stratum corneum hydration.
Evidence by route
Topical application
NMF component, safe.
How to read tiers A–F
- BLimited evidence. One RCT or several controlled studies with limitations
Tolerability and safety
- Irritation potential
- Low
- Allergen risk
- Low
- Pregnancy
- Safe
- Suitable for
- Normal, Dry, Oily, Combination, Sensitive
About this ingredient
Glutamic acid is a non-essential amino acid, a key component of the natural moisturizing factor (NMF) of the stratum corneum. Where applied. Moisturizing creams and serums, toners, hair products (0.5-5%). In NMF amino acid cocktails alongside pyrrolidone carboxylic acid, aspartic acid, serine, alanine, threonine. Also in cleansers – a gentle pH regulator. Evidence base. NMF amino acids in RCTs in dry skin and atopic dermatitis reduce TEWL and improve hydration (Verdier-Sevrain 2007). Few studies of glutamic acid alone; data come from the NMF amino acid mix. Safety. CIR confirmed safety. Hypoallergenic, non-comedogenic. Pregnancy and lactation – safe.
Frequently asked questions
Is Glutamic Acid safe during pregnancy?
Glutamic Acid is considered safe during pregnancy at typical cosmetic concentrations. Systemic absorption through the skin is minimal.
What skin types is Glutamic Acid for?
Glutamic Acid suits: normal, dry, oily, combination, sensitive.
What is Glutamic Acid and what does it do in cosmetics?
Amino acid, part of NMF.
What's the INCI name for Glutamic Acid?
The INCI name is Glutamic Acid. It may also appear as: L-Glutamic Acid.
See Glutamic Acid in a product composition right on the store page
The Evigrade extension adds an evidence panel to iHerb, Sephora, Druni and 12 more stores. This ingredient and every other one in the product show evidence-tier, allergen risk and pregnancy/lactation flags at a glance.
Similar role in the formula
Explore by category
Ingredients in the same category
Glutamine, Glycereth-25 PCA Isostearate, Glycereth-7 Triacetate, Glycerin, Imperata Cylindrica Root Extract, Pentylene Glycol, Trehalose, Calcium Pantothenate
Published: · updated: