Our thermal concealer foundation contains 1, 2-hexanediol and niacinamide. It can effectively cover uneven skin tone and blemishes; Hyaluronic acid deep moisture, continuous comfort. Its use method is very simple: 1. After basic skin care, take appropriate amount of this product evenly spread on the face skin. 2. Gently pat with your fingers or a wet cotton pad to make the makeup more even and fit. Niacinamide and vitamin C work together for skin health.