Back to Ingredient Dictionary

POTASSIUM FLUOROSILICATE

Description

Potassium fluorosilicate, also known as potassium hexafluorosilicate, is an inorganic compound with the chemical formula K2SiF6. This white, crystalline solid is utilized in various industrial and cosmetic applications due to its unique properties. In skincare formulations, potassium fluorosilicate serves primarily as a buffering agent and pH adjuster.

The compound's ability to regulate acidity levels in products helps maintain stability and effectiveness of other active ingredients. It can also act as a mild astringent, potentially benefiting oily or acne-prone skin types by temporarily tightening pores. Potassium fluorosilicate's fluoride content may contribute to strengthening tooth enamel when used in oral care products.

However, it's important to note that this ingredient requires careful handling and precise formulation due to potential toxicity at high concentrations. Skincare products containing potassium fluorosilicate typically use it in very low percentages to ensure safety while leveraging its functional benefits. As with any fluoride-containing compound, prolonged exposure or ingestion should be avoided. When properly formulated, potassium fluorosilicate can enhance product stability and contribute to the overall efficacy of skincare and dental care formulations.