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

PHOTOBACTERIUM LEIOGNATHI FERMENT EXTRACT FILTRATE

Safety grade: A

This ingredient comes from a naturally glowing marine bacterium and is fermented to create a beneficial extract. When added to cosmetics, it helps hydrate and condition the skin, while also potentially supporting the skin's natural defenses. It's commonly used in serums and moisturizers.

Graded using: COSING.

Last verified: June 9, 2026