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

DEINOCOCCUS FERMENT EXTRACT FILTRATE

Safety grade: A

This ingredient comes from a hardy microorganism and is processed into an extract that's used in skincare products. It's valued for its ability to help protect skin and support its natural resilience, making it a popular addition to moisturizers and serums designed to strengthen the skin barrier.

Graded using: COSING.

Last verified: June 9, 2026