Radiance; Dark Spots; Lines; Smoothness; Firmness; Post-Acne Marks; With 15 years of brilliant research, Re-Nutriv unlocks a radical blueprint to visibly recapture time.; Skin’s youthful network naturally weakens with time. Vitality dims. Signs of skin aging appear.; Our Brilliance Creme, with SIRTIVITY-LP™ technology, helps reveal visible age reversal. “Turns on” a smoother, more vibrantly younger look.; Helping skin maintain peak performance. Visibly reactivating skin renewal and recovery. Restoring a youthful look. Visibly recapturing time.; Measurable brilliance. Rigorous clinical and consumer testing demonstrates the transformative power of Ultimate Diamond Brilliance Creme.; Firms skin starting in just 2 weeks. (1); Boosts radiance in just 2 weeks. (1); 96% showed visible line reduction. (2); -44% fading in the look of post-acne marks. (2); +29% smoother feeling. (2); 94% said skin feels smoother and more supple. (3); 91% said elasticity is enhanced. (4); 90% said skin reflects more light. (4); Clinical testing on 57 women after using product for 2 weeks.; Clinical testing on 57 women after using product for 12 weeks.; Consumer testing on 144 women after using product for 2 weeks.; Consumer testing on 144 women after using product for 4 weeks.; Dermatologist-tested; Won't cause breakouts, won't clog pores (non-acnegenic); Free of parabens, phthalates, sulfates, mineral oil, petrolatum, paraffin, formaldehyde and donors, and drying alcohol.; Both 30 mL and 50 mL glass jars are recyclable