Features: This is a quasi-drug hand serum that is expected to improve spots and wrinkles, and whiten skin. Ingredients: Contains niacinamide as an active ingredient, which helps collagen production and prevents spots and freckles. Texture: It has a moisturizing feel without being sticky, and has a smooth texture, so it can be used regardless of the season. How to use: In the morning and evening, take about 2 pumps on the back of your hand, blend it all over, and then moisturize with hand cream.