Potassium Iodide

Potassium Iodide is an inorganic potassium salt of iodide. It's used in topical products as a mineral salt and skin-conditioning component or stabilizer, with its use depending on formulation needs and sensitivity considerations.
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Ingredient Snapshot

Overview
A mineral salt used to condition skin and stabilize formulas.
Category
Skin Conditioning
Type
Mineral

Ingredient Ratings

Overall Rating

Poor

Comedogenic Risk

None

Skin Benefits

Provides modest skin-conditioning support and may assist with formula stability, though cosmetic benefits are limited. Individuals prone to sensitivity should use caution.

Uses In Skincare & Cosmetics

Occasionally included in lotions, gels, or emulsions where a mineral salt component is desired, typically at low levels.

Comedogenic Rating

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

Safety

Irritation Risk: May trigger sensitivity or blemish-like eruptions in some users, particularly acne-prone skin. Typically used at low levels; avoid use on compromised skin and discontinue if irritation develops.

Is Potassium Iodide a Good Ingredient?

Poor rating because cosmetic benefits are modest and evidence for topical efficacy is limited, while some individuals may experience irritation or acneiform breakouts from iodides.