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Potassium Chloride

What Potassium Chloride is & what it does

A mineral salt used to adjust viscosity and stabilize formulas. It serves a functional, texturizing role.

What does Potassium Chloride do in skincare?

Potassium Chloride is a mineral salt used in cosmetics mainly as a viscosity-adjusting agent and to help stabilize formulas. It can thicken or modify the texture of certain water-based products. It does not act as an active skincare ingredient on its own.

Is Potassium Chloride safe?

Potassium Chloride is a common salt used in many products and is generally considered safe at the levels found in cosmetics. It is used in small amounts as a formulation aid. Sensitivity is uncommon but, as always, can vary between people.

Is Potassium Chloride natural or synthetic?

Potassium Chloride occurs naturally as a mineral and can also be produced synthetically, with the two being chemically identical. The grade used in cosmetics is purified for consistent quality regardless of its source.

Sunscreens with Potassium Chloride

We rate 30 sunscreens that contain it, showing the top 10 by overall score:

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