- Contains 20% of niacinamide - Contains niacinamide that helps to make dull and uneven skin in order and to make unbalanced skin healthy - Light and refreshing watery ampoule formula that is easy to use alone or mixed with other products How to Use - Intensive ampoule care: In the ampoule or essence stage, take an appropriate amount and apply evenly on the skin. - Mix care: When using skin care (toner, ampoule, cream, etc.), mask sheet, or pad, mix 1-2 drops.