Niacinamide solution capacity: 100 m Efficacy: brighten skin, fade melanin, improve dark yellow skin Ingredients: high molecular sodium translucent, low molecular sodium translucent and niacin, VB5, steam distilled water, urea, PHL antibacterial agent. Usage: After cleansing and toner, evenly apply proper amount of this product to the facial skin. Storage: Keep in cool and dry place at normal temperature