# Enzymatic leather tanning

Biopolymers & materials — Keratinases, lipases and transglutaminase replace sulfide unhairing and chrome tanning in leather processing, cutting effluent toxicity and chemical-oxygen-demand load, producing chrome-free leather certifiable by the Leather Working Group for premium fashion and automotive interiors.

Source: https://en.bioecon.ru/market/biopolymers-materials/enzymatic-leather-tanning/