Sunscreen Ranker Independent ranker
Ingredient · INCI reference

Asparagine

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

Back to all ingredients