Sunday Riley. An advanced 10% Niacinamide serum to help minimize pores' appearance and help improve post-acne dark spots and surface redness while promoting an overall radiant complexion. INSPIRATIONFor the past two years, Sunday has been working on this formulation to help those that want to improve the appearance of post-acne dark spots and to reduce the look of pore size, redness, and overall radiant skin. Her inspiration for this product was her daughter, who battled with acne scars. Through her research, she created a formulau00adtion that can be used for multi-generations and different skin types.