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Ingredient · INCI reference

Asparagine

Asparagine, a naturally occurring amino acid, used in skincare as a skin-conditioning and humectant ingredient.

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Editorial ingredient illustration for Asparagine

An editorial illustration of this ingredient.

What it is

Asparagine is one of the standard amino acids found throughout living organisms and is used in cosmetics as a skin-conditioning agent. Like other amino acids it is water-loving and can help support skin hydration and softness as part of a moisturizing or amino-acid blend. It is typically included at low levels alongside other conditioning ingredients.

Safety & warnings

As a common amino acid native to the body and to many foods, asparagine is generally regarded as gentle and well tolerated in cosmetics. It is water-soluble and is not associated with comedogenicity. As with any ingredient, sensitive individuals can rarely react.

Origin & sourcing

Can be naturally derived or produced by fermentation or synthesis; the same amino acid occurs widely in plants and other organisms.

Questions everyone asks

What does asparagine do in skincare?

It serves as a skin-conditioning, humectant amino acid that can help support hydration and a soft skin feel.

Is asparagine gentle?

It is a naturally occurring amino acid generally considered gentle and well tolerated at cosmetic use levels.

Sources & references

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