Potassium Chloride

Potassium Chloride is an inorganic potassium salt supplied as a colorless, highly water-soluble crystalline powder. In cosmetics it adjusts ionic strength and tonicity to stabilize water-based formulas and refine slip in toners, serums, gels, and mists.
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Ingredient Snapshot

Overview
A mineral salt that helps balance and stabilize watery formulas.
Category
Sensitive Skin
Type
Mineral

Ingredient Ratings

Overall Rating

Fair

Comedogenic Risk

None

Skin Benefits

Helps keep water-based formulas comfortable on skin by supporting osmotic balance and reducing sting potential. It's mainly a formulation aid, so direct skin improvements are modest.

Uses In Skincare & Cosmetics

Often added to facial mists, sheet masks, and essence lotions as a supporting mineral in hydrating systems.

Comedogenic Rating

This ingredient is not typically evaluated for comedogenicity, and no standardized rating is available.

Safety

Generally well tolerated at typical low concentrations in mists and serums. May sting on broken or highly sensitive skin; patch test if reactive. Allergy reports are rare.

Is Potassium Chloride a Good Ingredient?

Rated Fair because it mainly serves a formulation role (tonicity/ionic balance) with minimal direct skin benefit. At higher levels or on compromised skin it can cause transient stinging or discomfort.

Products with Potassium Chloride

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