Humectant

Arginine

Conditionally essential amino acid - a building block of collagen and a natural component of NMF. Arginine moisturizes, neutralizes the acidity of formulations, and acts as an antioxidant, protecting the skin from oxidative stress.

amino acidNMFhydrationantioxidant

✓ Safe

Comedogenic Rating

0/5

Irritation Potential

0/5

What is it?

Arginine (L-Arginine) - a conditionally essential amino acid, a natural component of the skin's NMF, and a precursor of proline in collagen synthesis. Acts as an antioxidant (neutralizes peroxynitrite), pH regulator, and moisturizer. In INCI: Arginine or L-Arginine.

Used in barrier repair products, collagen and peptide serums, post-shave products (soothing), toners, and hair conditioners.

Key Benefits

✦

Natural component of NMF and hydration

Arginine - part of the skin's natural moisturizing factor. Attracts and retains moisture in the stratum corneum, restoring natural hydration.

◈

Support for collagen synthesis

Precursor of proline and hydroxyproline - key amino acids in collagen structure. Supports the synthesis and repair of skin connective tissue.

✧

Antioxidant protection

Neutralizes peroxynitrite (ONOO⁻) - a powerful reactive nitrogen oxidant that damages DNA and cellular proteins during inflammation.

Suitable for

for all skin typesmature skinsensitive skindehydrated skin

Main Actions

✓ hydration (NMF)✓ collagen support✓ antioxidant protection✓ barrier restoration✓ soothing

Amino acids in the INCI list

Arginine in cosmetics often comes together with other amino acids (serine, lysine, proline, glycine) - a sign of products that actively restore NMF and support skin barrier health.

CategoryHumectants

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