This night serum is excellent for improving the skin complexion and giving a natural glow by reducing fine lines, dark spots, and firming the skin. It penetrates deep into the skin and provides it with the nourishment to restore the natural moisture balance of the skin, to keep the skin clear and healthy. Each bottle of 10 ml contains 280 drops. With the usage of 4 drops per application, this bottle will last for 70 applications.