The formula combines natural Q10, which is 100% identical to that of your skin, and pure vitamin C, which protects the skin from free radicals. Derived from a natural fermentation process, this pure Q10 works in perfect harmony with your skin. As we age, the natural concentration of skin's own Q10 decreases, and signs of skin aging become visible. The day cream provides a 24-hour healthy glow and moisture for radiant skin. After 2 weeks, the day cream reduces fine lines and provides firmer skin after 4 weeks - signs of fatigue and dullness are diminished. The formula with SPF 15 protects against light-induced skin aging and is specially designed for tired skin and the first signs of wrinkles.