The Numbuzin No.1 Pure Glass Clean Tone Up is designed to brighten and even out the skin tone, while also providing hydration and protection. It is suitable for all skin types, and can be used as a standalone product or as a base for makeup. One of the key ingredients in this product is niacinamide, which is a form of vitamin B3 that is known for its skin-brightening and anti-inflammatory properties. Niacinamide can help to reduce the appearance of dark spots, hyperpigmentation, and redness, while also improving the overall texture and tone of the skin. The Numbuzin No.1 Pure Glass Clean Tone Up also contains hyaluronic acid, which is a powerful humectant that can help to hydrate the skin and reduce the appearance of fine lines and wrinkles. This ingredient can also help to plump up the skin and give it a more youthful appearance.