POLYGONUM HYDROPIPER EXTRACT is graded A (Safe) by Expert·ING, based on COSING regulatory data.

POLYGONUM HYDROPIPER EXTRACT

Water Pepper Extract

Safety grade: A

Water pepper extract is derived from a plant species known for its peppery taste and traditional uses. It's used in skincare products to help keep skin hydrated and moisturized.

This ingredient acts as a humectant, meaning it draws moisture from the environment into the skin to help maintain hydration and prevent dryness.

Graded using: COSING.

Last verified: May 26, 2026