PERMETHRIN is graded A** (Safe) by Expert·ING, based on COSING, FDA regulatory data.

PERMETHRIN

Safety grade: A**

Permethrin is a synthetic insecticide and antimicrobial agent that kills bacteria, fungi, and other microorganisms. It's commonly used in personal care products to prevent microbial growth and maintain product freshness.

Permethrin protects cosmetic products from bacterial and fungal contamination, helping to preserve the product and prevent microbial growth that could cause spoilage or skin irritation.

Graded using: COSING, FDA.

Last verified: May 26, 2026

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