Kat Burki's VITABIOME™ Active Skin Optimizer actively balances skin. This groundbreaking formula uses a proprietary microbiome balancing prebiotic and saccharide complex. It works to decrease bacterial overload, increase good microbes, and supplement the skin’s defenses with vitamin therapy. See significantly reduced acne area and volume and a reduction in uneven skin tone. The skin optimizer is also certified cruelty-free and vegan.