Duo collection: You will receive an ultimate collagen serum and an ultra collagen mask. Gift: Makes a beautiful gift set for her. Mask collection: Get a luxury duo collagen serum and collagen mask 50ml collection. Ingredients: Both filled with active ingredients to work on collagen synthesis to improve and support the texture of the skin. Day and night: Perfectly formulated to use both day and night. Skincare: The ultimate set to step up your skincare routine. Collagen Serum & Collagen 50Ml Mask Set | Living Social