Ingredient dictionary

Potassium Chloride

Also listed as: Potassium muriate

Potassium Chloride is a mineral salt made of potassium and chlorine, mainly used to control how thick or thin a formula feels. It is on the label of 10 products in our library. Checked against our library November 6, 2026.

What Potassium Chloride does

Adjusts how thick a formula feels
Helps set the texture of shaving creams
Dissolves easily in water-based formulas

Potassium Chloride is a mineral salt. It is mined from underground deposits and also recovered from salty brines. The same material is used in fertilizers and as a salt substitute in some foods, so it is a long-established, widely available ingredient.

Formulators use it mainly as a viscosity adjuster, meaning it changes how thick a product feels. Salts like this can thicken or thin the cleansing agents used in shaving creams and gels. It dissolves fully in water, so it blends into water-based formulas smoothly.

Good for

Suits water-based shaving creams and gels where formulators want a thicker, more controlled texture.

Frequently asked questions

Is Potassium Chloride safe for skin?

It is generally well tolerated in cosmetic products at the levels used. Like any ingredient, it can rarely irritate sensitive skin, so patch testing a new product is a sensible habit.

Why is Potassium Chloride in my shaving cream?

Shaving creams and gels need the right thickness to feel comfortable in the hand and spread evenly on the skin. Potassium Chloride helps set that texture. It is one of several salts formulators use for this job.