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Alanine

What Alanine is & what it does

An amino acid and part of the skin's natural moisturizing factor that hydrates and conditions. It supports a soft, smooth surface.

What does Alanine do in skincare?

Alanine is an amino acid used in skincare as a conditioning and humectant ingredient. It is one of the components of the skin's natural moisturizing factor, so it helps support hydration and a smooth feel. It is also sometimes used to help adjust a formula's pH.

Is Alanine safe in skincare?

Alanine is generally regarded as a safe and well-tolerated cosmetic ingredient. As a simple amino acid found naturally in skin, it is not a common irritant at the levels used. Individual sensitivities are always possible.

Is Alanine vegan?

Alanine used in cosmetics is commonly produced by fermentation or synthesis rather than from animal sources, so it can be vegan-friendly. Because sourcing varies by supplier, a brand's own labeling is the best confirmation for a specific product.

Sunscreens with Alanine

We rate 50 sunscreens that contain it, showing the top 10 by overall score:

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