Moderate Cosmetic Ingredient GHS Classified

Bioresmethrin

INCI: BIORESMETHRIN

CAS Number
28434-01-7
Function
Insecticide (pyrethroid pesticide - not a cosmetic function)
Safety Rating
MODERATE

Regulatory Status

🇪🇺 EU Status prohibited
🇺🇸 US Status permitted
US Notes Not permitted in cosmetics - classified as a pesticide under EPA regulation; no cosmetic use authorization

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

Safety Data

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

Calculate MoS for your specific formulation with the MoS Calculator.

GHS Hazard Classification

Globally Harmonized System classification per ECHA C&L inventory and ILO/WHO International Chemical Safety Cards.

Routes of Exposure
The substance can be absorbed into the body by inhalation of its aerosol and by ingestion.

Expert Verdict

Highly toxic to aquatic organisms; broad-spectrum pyrethroid insecticide; molecular formula C₂₂H₂₆O₃ (MW 338.44); classified as high aquatic toxicity. A synthetic pyrethroid insecticide targeting houseflies, mosquitoes, cockroaches, and mites; its inclusion in this database is likely for exclusion/prohibition reference purposes only

⚠️
Concern Level: High

Frequently Asked Questions

Is Bioresmethrin safe in cosmetics?

Highly toxic to aquatic organisms; broad-spectrum pyrethroid insecticide; molecular formula C₂₂H₂₆O₃ (MW 338.44); classified as high aquatic toxicity. A synthetic pyrethroid insecticide targeting houseflies, mosquitoes, cockroaches, and mites; its inclusion in this database is likely for exclusion/prohibition reference purposes only The EU classifies Bioresmethrin as "prohibited". Safety rating: MODERATE.

Is Bioresmethrin allowed in the EU?

Bioresmethrin EU regulatory status: prohibited. This is based on EU Regulation 1223/2009 and its amendments.

What does Bioresmethrin do in cosmetics?

Bioresmethrin functions as: Insecticide (pyrethroid pesticide - not a cosmetic function). It is classified as a cosmetic ingredient in our database. CAS number: 28434-01-7.

What is the Margin of Safety for Bioresmethrin?

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.

📱

Is Bioresmethrin 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 Bioresmethrin in your formulation.