Facial Serums Ayur Medic, Beauty & Personal Care, Face, Skin Care, Treatments & Masks Ayur Medic Vitamin B Complex Serum (1 oz.) Review by WaxHydra May 25, 2018 No Comments One of the best facial serums on the market. More Facial serum that contains a high concentration of niacinamide to boost collagen production, and reduce pigmentation and the appearance of fine lines and wrinkles.