- 2-piece set . For directions and ingredients, see "Additional Info". Made in USA Set includes: Ultimate Stem Cell Neck Serum: D'OR 24K’s invigorating Stem Cell Neck Serum uses the incredible natural longevity of stem cells found in Uttwiler Spätlauber, an extremely rare species of Swiss apple to preserve the vitality and youthfulness of the skin. Rich in phytonutrients, collagen, proteins, and long-living stem cells, this miracle formula is scientifically cultivated to reduce wrinkles, fine lines, and problematic aging spots.. Size: 1 fl oz. Corrective Vitamin C,B,E & Ferulic Serum: Utilizing a powerful blend of antioxidant ingredients with added Vitamin C, B, E & Ferulic Acid, D’OR 24K Corrective Serum deeply hydrates the skin, while enhancing the free radical fighting properties that are constantly develop signs of aging. This unique and potent serum blend provides unparalleled results that diminish fine lines and rejuvenate dead skin cells. Each active ingredient works synergistically to boost one another to lighten, tighten, and boost cellular growth in any applied area – particularly the face and around the eyes.. Size: 1 fl oz.