Potassium Iodide
What Potassium Iodide is & what it does
Potassium Iodide is an inorganic salt of potassium and iodine that is highly water-soluble. In cosmetics it is commonly used in small amounts as part of mineral or thermal-spring formulas and can act as a conditioning or stabilizing component. It is not a UV filter, and no concerns are flagged for it in this catalog. As with many minerals it is used at low levels in finished products.
What is Potassium Iodide?
Potassium Iodide is a water-soluble inorganic salt of potassium and iodine. In cosmetics it is used in small amounts, often as part of mineral or thermal-spring formulas.
What does Potassium Iodide do in skincare?
It is generally used at low levels as a conditioning or stabilizing mineral component rather than as a star active. It is not a UV filter.
Is Potassium Iodide safe?
At the low levels used in finished cosmetics it is generally considered safe, and no concerns are flagged for it here. As with any mineral, the amount used in a product is small.
Sunscreens with Potassium Iodide
We rate 2 sunscreens that contain it:
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Badger Clear Daily, Natural Mineral Sunscreen Lotion, Clear Zinc, Spf 30, Unscented
69/100
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Badger Zinc Oxide Sunscreen Lotion, Unscented, Spf 25
68/100