Healthy Skin From Within Dietary Supplement 10 Clinically Tested Probiotic Strains with Prebiotic FOS Enteric Coated Vegetable Capsules Non GMO Gluten Free Non-Dairy Vegan GMP Certified If you want healthy skin, you have to start with your gut. Creams and lotions can be easily washed away by the environment and has limited coverage area, but Probiology Skin Therapy works from within your body by affecting what is known as the gut-brain-skin axis to help promote naturally healthy skin for the entire body.