Nia 24 Treatment Catalyst is a nourishing face oil that fortifies skin and acts as a performance-enhancingn catalyst to accelerate the results of other skincare products. Five percent Pro-Niacin along with essential vitamins and fatty acids fortify the skin barrier and improve the health and condition of the skin. Formula features 5% Pro-Niacin and Retinyl Palmitate to enhance cellular turnover Helps to stimulate skin renewal NIA24 Treatment Catalyst is suitable for all skin types