Ultimate serum for maximally potent results, containing active microspheres and a 25% vitamin C complex. Its cutting-edge formula, which contains five different forms of vitamin C, absorbs quickly and firms the skin while boosting radiance and delaying the appearance of aging. Why is it unique? ✓ Intensive anti-aging and brightening action multicorrecting the signs of aging; ✓ Ultra-antioxidant action; ✓ Highly concentrated with 25% Vitamin C Complex for maximum potency results. All skin types | Daily Use | Ultra-sensorial texture with micro-spheres | Topic Use * Advanced Serum, 30 ml 20 women between the ages of 40 and 64 participated in a clinical study in a separate laboratory, self-evaluating both before and after using the treatment for 28 days.