A daily dose of radiance
created for all skin types, especially those in need of energy and illumination. Heyday brightens, firms, and boosts regeneration. All thanks to the power of a pro-ingredient - triple vitamin C. Vitamin C Tetra E penetrates the epidermis three times more effectively than classic vitamin C, and Superox-C™ is the richest source of vitamin C in the world (more than 100 times that of an orange). These ingredients complement each other, mutually enhancing their effects on the skin, stimulating collagen and elastin production, and fighting free radicals.