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Ingredient · INCI reference

N-Methyl-L-Serine

N-Methyl-L-serine is a methylated derivative of the amino acid L-serine used in skin care as a skin-conditioning agent.

What it is

N-Methyl-L-serine is a small amino-acid derivative based on serine, a naturally occurring amino acid that is part of skin's own moisturizing chemistry. In cosmetic formulations it is used as a skin-conditioning ingredient intended to support a soft, hydrated feel. Because of its small, water-compatible structure it integrates easily into water-based formulas.

Safety & warnings

As a small amino-acid derivative, N-Methyl-L-serine is generally regarded as a gentle skin-conditioning ingredient with low irritation potential at the levels used in cosmetics.

Origin & sourcing

Synthetic derivative prepared from the amino acid L-serine, which itself can be obtained through fermentation.

Questions everyone asks

What is N-Methyl-L-serine derived from?

It is a methylated derivative of L-serine, a naturally occurring amino acid that contributes to skin's natural moisture factors.

What role does it play in a formula?

It is used as a skin-conditioning agent to help support a soft, hydrated skin feel and fits easily into water-based products.

Sources & references

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