Humectant

Glycine

The simplest amino acid and one of the most important building blocks of collagen. Glycine makes up ~30% of all collagen amino acids and is a natural component of the skin's NMF — it moisturizes, soothes, and supports collagen synthesis.

Amino acidCollagenNMFSoothing
✓ Safe
Comedogenic Rating
0/5
Irritation Potential
0/5

What is it?

Glycine — the simplest proteogenic amino acid. It constitutes ~33% of the amino acid composition of collagen (in the repeating triplet Gly-X-Y). A natural component of the skin's NMF. Acts as a moisturizer and osmoprotectant. In INCI: Glycine.

Present in barrier repair products, amino acid complex serums, post-procedure products. Often together with other amino acids (arginine, serine, proline).

Key Benefits

The main building block of collagen
Glycine makes up ~30% of collagen — an adequate level in the skin is critical for maintaining and synthesizing new collagen and elastin fibers.
Moisturization and NMF
A natural component of NMF attracts and retains moisture in the stratum corneum, contributing to the softness and elasticity of the skin.
Soothing and protection
Glycine acts as an inhibitory neurotransmitter — in cosmetics, it exhibits soothing properties, reducing irritation and discomfort.

Suitable for

Suitable for all skin typesMature skinSensitive skin

Main Actions

✓ Moisturization (NMF)✓ Support for collagen✓ Soothing✓ Barrier restoration✓ Osmoprotection
Amino acid complex

Glycine in the formulation often comes together with arginine, serine, proline, lysine — this is a sign of products with a complete amino acid complex for restoring NMF. Together they provide a synergistic moisturizing and restorative effect.

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