Founder Dr. Roshini Raj is a practicing gastroenterologist who has studied probiotics for 20 years. A breakthrough innovation in skincare, probiotic extract is a powerful ingredient that helps improve skin's balance, soothes skin to calm skin irritation and nourishes skin for improved hydration. That's why 100% of TULA's skincare products are powered by probiotic extracts and superfoods. We formulate without toxic ingredients or irritants that could damage skin health. There are over 1,600 ingredients on our "do not" list that we would never formulate with - 100% of our products are clinically tested for efficacy.