Healthy skin starts within. The Skin Collection provides advanced microbiome testing, the Skin Repair-4™ program, and targeted Maintain probiotics to uncover and correct the microbiome imbalances driving acne, rosacea, eczema, and other chronic skin concerns. Each program is formulated by a gastroenterologist, treating the root cause of inflammation and barrier dysfunction so you can move beyond symptom management to lasting clarity and confidence.