Tap into skins own self-protective powers 24-hours a day with NIA24 the first inside-out topical Niacin-Powered skin barrier-building system. Inside, this patented Micro-Nutrient Delivery system brings a continuous-release form of Niacin to skin. Outside, skins barrier is restored and signs of damage are dramatically reversed, ensuring stronger, better skin thats more resilient to sun damage. Ideal for moderate to severe sun-damage, rosacea and mature skin.