You can mix the Niacinamide Powder with any non-conflicting water-based solution (such as creams or serums) that has a pH between 5.1 and 7. Additionally, ...

Don't Mix: Niacinamide and vitamin C. Although they're both antioxidants, vitamin C is one ingredient that's not compatible with niacinamide. "Both are very ...

Don't Mix: Niacinamide and vitamin C. Although they're both antioxidants, vitamin C is one ingredient that's not compatible with niacinamide. "Both are very ...