Potassium Fluoride

INCI: POTASSIUM FLUORIDE

CAS Number
7789-23-3
Function
Oral care (anticaries agent)
Safety Rating
MODERATE

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status restricted
EU Max Conc. 0.15%
๐Ÿ‡บ๐Ÿ‡ธ US Status restricted
US Notes Classified as OTC drug active ingredient (anticaries monograph) when used in oral care; not permitted as a general cosmetic ingredient

For full compliance data across 55 jurisdictions, use the Substance Compliance tool.

Safety Data

Margin of Safety (MoS)
adequate
Dermal Absorption
high
Sensitization
low

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Potassium fluoride is restricted in EU cosmetics (Annex III) to maximum 0.15% total fluorine content and classified as an OTC drug active ingredient in the US when used in oral care products; mandatory labeling and safety warnings required, especially for children's formulations.

โš ๏ธ
Concern Level: High

Regulatory Flags

eu_cosing_listed

Frequently Asked Questions

Is Potassium Fluoride safe in cosmetics?

Potassium fluoride is restricted in EU cosmetics (Annex III) to maximum 0.15% total fluorine content and classified as an OTC drug active ingredient in the US when used in oral care products; mandatory labeling and safety warnings required, especially for children's formulations. The EU classifies Potassium Fluoride as "restricted". Safety rating: MODERATE.

Is Potassium Fluoride allowed in the EU?

Potassium Fluoride EU regulatory status: restricted. Maximum allowed concentration: 0.15%. This is based on EU Regulation 1223/2009 and its amendments.

What does Potassium Fluoride do in cosmetics?

Potassium Fluoride functions as: Oral care (anticaries agent). It is classified as a cosmetic ingredient in our database. CAS number: 7789-23-3.

What is the Margin of Safety for Potassium Fluoride?

adequate The Margin of Safety (MoS) is calculated using SCCS methodology. A MoS above 100 is generally considered safe. Use the MoS Calculator tool to calculate MoS for your specific formulation and product category.

๐Ÿ“ฑ

Is Potassium Fluoride in Your Products?

Scan any product label with Piro โ€” our free ingredient scanner. Point your camera at the ingredients list and get instant safety scores for every ingredient.

Try Piro Free โ†’

Analyze Your Full Ingredient List

Paste any INCI list into the Decoder for instant safety analysis, or calculate the Margin of Safety for Potassium Fluoride in your formulation.