展开For diamond-brilliant skin: More flawless. Radiant. Unforgettable. Like a diamond, your skin’s unique beauty arises from a stunning surface plus a youthful structure. Powered by our Black Diamond Truffle Extract and SIRTIVITY-LP™ technology, this extraordinary serum helps fortify skin for a firmer feel and a visibly more perfected surface. The transformative result: 94% of women improved(A) on our Diamond-Brilliant Skin Score, an assessment of skin's improvement in Radiance, Spots, Pores, Even Tone, Firmness, and Elasticity. Stunning Surface. In clinical testing(B), after just 2 weeks: • Skin looked more radiant and even-toned. • Dark spot intensity looked reduced. • Pores looked reduced. Youthful Structure. In clinical testing(B), after just 2 weeks: • Elasticity was improved • Skin felt firmer, stronger. With continued use, lines looked -21% reduced.(C) The transcendently weightless, delightfully indulgent fluid absorbs quickly to refresh skin and help restore a plumper, smoother feel. The diamond-faceted glass bottle is crafted with a jeweler’s precision and is easily refillable (see refill information) and recyclable. With every touch, your diamond-brilliant skin awaits. EXCLUSIVE BLACK DIAMOND TRUFFLE EXTRACT From a single master grower in the southwest of France come fresh, never-frozen whole truffles from the best, Extra Class grade. Harvested at the season’s peak. Extracted within days for maximum potency. The power of each truffle is unlocked through an intricate process of fine-milling and ultra purification, commissioned by Re-Nutriv. Our exclusive Black Diamond Truffle Extract has been shown through in vitro testing to help skin stimulate its natural energy and visible vitality. Re-Nutriv. Live a life of extraordinary beauty. (A) Percentage of women with improvement in our Diamond-Brilliant Skin Score index, combining improvement in skin Radiance, Spot Intensity, Pores, Even Tone, Firmness and Elasticity, in clinical testing on 53 women, after using product for 4 weeks. (B) Clinical testing on 53 women, after using product for 2 weeks. (C ) Clinical testing on 53 women, after using product for 6 weeks.