New Authentic Vivier Skin Grenzcine Serum – 1 oz. Condition is “New in box.” I have extra sensitive skin so I’m unable to use this item; my loss is your gain. A copy of the original sales receipt is available upon request to prove authenticity. Brand: Vivier Skin Description: A revolutionary antioxidant and growth factor serum that volumizes and tightens the skin. Formulated with a proprietary combination of Polyamine-DAB™ and 10% Vitamin C to boost collagen production, repair and thicken the skin. Skin appears uplifted, refreshed and luminous. Size: 1 oz Make me an offer! All reasonable offers will be considered.