The patented bond-repair formula in Epres actively rebonds hair and fixes damage caused by chemicals, heat, and movement. With only 4 vegan and biodegradable ingredients, Epres Bond Repair Treatment repairs hair and reduces frizz to make hair softer, stronger, and healthier. Vegan & Cruelty-Free: Epres Bond Repair Treatment's highly concentrated, waterless formula consists of just four 100% vegan, biodegradable ingredients with Biodiffusion technology that allows hair to continue to repair even after it is dry.