TROPOLONE is graded A (Safe) by Expert·ING, based on COSING, FDA regulatory data.
TROPOLONE
Safety grade: A
Tropolone is a naturally occurring organic compound with antimicrobial and antioxidant properties. It helps protect the skin and keeps cosmetic products fresh by preventing bacterial and fungal growth.
Tropolone is used in skincare products to condition and protect the skin while also preserving the product by preventing microbial contamination and oxidation.
Graded using: COSING, FDA.
Last verified: May 26, 2026
Other Skin Conditioning ingredients
- TOCOPHEROL — Grade A
- PROPYLENE GLYCOL — Grade A**
- XANTHAN GUM — Grade A
- DIMETHICONE — Grade A
- TOCOPHERYL ACETATE — Grade A
- PANTHENOL — Grade A
- CAPRYLYL GLYCOL — Grade A
- ETHYLHEXYLGLYCERIN — Grade A