The Niacinamide Combo consists of two Niacinamide BMRS Soaps and two Ashley Niacinamide Serums. The potent combination of niacinamide and hyaluronic acid in Ashley Shine Niacinamide Pure Serum addresses a range of skin issues for a more youthful, glowing complexion. https://myglowitt.com/products/niacinamide-combo