What it is: A hydrating liquid serum that targets skin elasticity to sculpt and firm the skin for a younger-looking appearance. What it does: Formulated by Dr. Yannis Alexandrides to improve elasticity and skin density, visibly refined pores and reduce the appearance of wrinkles. The Black Diamond Serum is powered by a potent microalgae extract that helps lift and tighten skin due to the elasticity that occurs naturally as the result of collagen breakdown. Facial contours appear more defined and age spots and wrinkles diminish thanks to added NovoRetin, a natural form of retinol suitable for sensitive skin.Key ingredients:- NovoRetin: a powerful botanical extract that lifts and tightens lax skin- Fine black diamond powder: gently exfoliates to deliver active ingredients effectively and deeper into the skin- NAC Y2: a trio of actives with superior antioxidant capabilities that harness the power of glutathione, vitamin C and escin to boost the body's natural ability to repair its cells at the deepest levelHow to use: Following Vitamin-C Brightening Cleanser (sold separately), distribute 1-2 pumps between fingertips and apply to face and neck in an upward motion every morning and evening. Paraben-free Made in Switzerland