Moderate Cosmetic Ingredient NOAEL Data

Potassium Bromide

INCI: POTASSIUM BROMIDE

CAS Number
7758-02-3
Function
Viscosity controlling agent
Safety Rating
MODERATE

Regulatory Status

🇪🇺 EU Status permitted
🇺🇸 US Status permitted
US Notes Permitted in cosmetics

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

Safety Data

Margin of Safety (MoS)
not established
Dermal Absorption
moderate
Sensitization
low

Calculate MoS for your specific formulation with the MoS Calculator.

Toxicological Studies

10 study endpoints found for Potassium Bromide. NOAEL (No Observed Adverse Effect Level) values are used to calculate the Margin of Safety per SCCS methodology.

Endpoint Value Route Species Study Type Source
NOAEL 16.5 mg/kg bw/day oral rat Carcinogenicity COSMOS_DB
NOAEL 175 mg/kg bw/day oral rat Special Toxicology Study COSMOS_DB
NOAEL 175 mg/kg bw/day oral rat Special Toxicology Study COSMOS_DB
NOAEL 20 mg/kg bw/day oral rat Immunotoxicology COSMOS_DB
NOAEL 2 mg/kg bw/day oral rat Immunotoxicology COSMOS_DB
NOAEL 2 mg/kg bw/day oral rat Immunotoxicology COSMOS_DB
NOAEL 2 mg/kg bw/day oral rat Immunotoxicology COSMOS_DB
dose_tested 175 mg/kg bw/day oral rat Special Toxicology Study COSMOS_DB
dose_tested 175 mg/kg bw/day oral rat Special Toxicology Study COSMOS_DB
NOAEL 100 mg/kg bw/day oral rat oral REACH

Expert Verdict

Potassium Bromide carries reproductive toxicity (Repr. 1B), lactation hazard (H362), organ damage risk from repeated exposure (STOT RE 1), and CNS effects (STOT SE 3); high regulatory risk—avoid in new formulations.

⚠️
Concern Level: High

Regulatory Flags

fda_food_additive

Frequently Asked Questions

Is Potassium Bromide safe in cosmetics?

Potassium Bromide carries reproductive toxicity (Repr. 1B), lactation hazard (H362), organ damage risk from repeated exposure (STOT RE 1), and CNS effects (STOT SE 3); high regulatory risk—avoid in new formulations. The EU classifies Potassium Bromide as "permitted". Safety rating: MODERATE. 10 toxicological study endpoint(s) are available in our database.

Is Potassium Bromide allowed in the EU?

Potassium Bromide EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Potassium Bromide do in cosmetics?

Potassium Bromide functions as: Viscosity controlling agent. It is classified as a cosmetic ingredient in our database. CAS number: 7758-02-3.

What is the Margin of Safety for Potassium Bromide?

not established 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.

What is the NOAEL for Potassium Bromide?

The NOAEL (No Observed Adverse Effect Level) for Potassium Bromide is 16.5 mg/kg bw/day based on a Carcinogenicity study via oral route in rat. A total of 10 study endpoints are available. Source: COSMOS_DB.

📱

Is Potassium Bromide in Your Products?

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

Try Piro Free →

Analyze Your Full Ingredient List

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