ESCHERICHIA COLI/PTEROCLADIA TENUIS FERMENT FILTRATE is graded A (Safe) by Expert·ING, based on COSING regulatory data.

ESCHERICHIA COLI/PTEROCLADIA TENUIS FERMENT FILTRATE

Fermented Seaweed Extract

Safety grade: A

This ingredient is made by fermenting a type of red seaweed called Pterocladia tenuis using beneficial bacteria, then filtering the liquid to create a protective extract. It's a natural fermentation process similar to how yogurt or kombucha is made.

This ingredient helps protect and strengthen the skin's natural barrier, keeping it healthier and more resilient against environmental stressors.

Graded using: COSING.

Last verified: May 26, 2026