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Methionine

What Methionine is & what it does

Methionine is an essential sulfur-containing amino acid that the body cannot produce on its own. In cosmetic and sunscreen formulas it is used as a skin-conditioning and antistatic agent and can support the texture and feel of the product. As an amino acid it is also valued as a building block found naturally in proteins.

Is Methionine safe?

Methionine is an essential amino acid that occurs naturally in the body and in dietary proteins, and it is widely used as a cosmetic ingredient. In skincare and sunscreen formulas it is typically used at low levels as a skin-conditioning agent. As with any ingredient, sensitivities can vary from person to person.

What does Methionine do in skincare?

In skincare and sunscreen formulas, Methionine is used mainly as a skin-conditioning and antistatic agent. As an amino acid it can support the texture and feel of a product. It is valued as a naturally occurring building block found in proteins.

Is Methionine natural or synthetic?

Methionine occurs naturally as an essential amino acid in proteins, but the methionine used in cosmetics is often produced synthetically or through fermentation for consistency and purity. So it can be either, depending on the manufacturer. Chemically the ingredient is the same amino acid in either case.

Sunscreens with Methionine

We rate 12 sunscreens that contain it, showing the top 10 by overall score:

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