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Sodium Palmitoyl Proline

What Sodium Palmitoyl Proline is & what it does

Sodium Palmitoyl Proline is the sodium salt of an amino acid derivative, formed by linking palmitic acid to the amino acid proline. In cosmetics it functions mainly as a skin conditioning agent and is sometimes used to help build a lamellar, skin-mimicking structure in emulsions. It is typically found in moisturizers and barrier-support formulas.

What does Sodium Palmitoyl Proline do in skincare?

Sodium Palmitoyl Proline acts mainly as a skin conditioning agent in skincare formulas. It is an amino-acid derivative that is sometimes used to help create skin-mimicking lamellar structures in moisturizers, which can support a smooth, conditioned feel. It typically appears in barrier-support and hydrating products.

Is Sodium Palmitoyl Proline safe?

Sodium Palmitoyl Proline is used in cosmetics as a conditioning agent and is generally considered safe at the concentrations found in finished products. It is derived from an amino acid and a fatty acid, both common cosmetic building blocks. Individuals with sensitive skin can patch test new products as a precaution.

Is Sodium Palmitoyl Proline vegan?

It can be vegan, depending on the source of the palmitic acid used to make it. Palmitic acid is often plant-derived, but it can also come from animal fats, so the answer varies by manufacturer. Check with the specific brand if vegan sourcing matters to you.

Sunscreens with Sodium Palmitoyl Proline

We rate 48 sunscreens that contain it, showing the top 10 by overall score:

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