POLYDIHYDROXYINDOLE is graded A (Safe) by Expert·ING, based on COSING regulatory data.
POLYDIHYDROXYINDOLE
Safety grade: A
Polydihydroxyindole is a synthetic compound that works to improve skin texture and appearance. It's designed to help protect and nourish the skin's outer layers.
This ingredient is used in skincare products to condition and improve the overall feel and look of skin by enhancing hydration and smoothness.
Graded using: COSING.
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