STREPTOMYCES RUBROVINUS FERMENT EXTRACT is graded A (Safe) by Expert·ING, based on COSING regulatory data.

STREPTOMYCES RUBROVINUS FERMENT EXTRACT

Safety grade: A

This natural ingredient comes from a beneficial soil microorganism called Streptomyces rubrovinus. When fermented, it produces compounds that help improve skin texture and appearance. It's commonly used in skincare products to support a smoother, more refined complexion.

Graded using: COSING.

Last verified: June 9, 2026