【MD26 Special】Dual Collagen Travel Size + Mini Cream (1 Travel Tubes) + Collagen All-In Instant Awakening SerumStart Smart. Experience our science for 15 days. Upgrade to the Flagship Set within 30 days and keep the 15% campaign discount. Your Proof of Concept. This 15 20 day supply allows skin to initiate its response, offering a tangible feel of increased firmness and plumpness. Dual is not just a serum it's a structural skincare solution. Dual is formulated with precision only two ingredients: purified water and high purity, bioidentical Type III and XVII