Potassium Chloride

Potassium Chloride is an inorganic salt (KCl) that occurs naturally in mineral deposits and seawater, commonly used in cosmetics as an electrolyte and viscosity modifier. In formulations, it serves to adjust ionic strength, enhance skin feel, and provide potassium ions that support the skin's natural electrolyte balance and osmotic regulation. Formulators choose it for its high solubility, neutral pH profile, and ability to modulate the viscosity of surfactant systems without affecting foam or causing irritation.