Niacinamide Serum Niacinamide for Health Skin This product meets Whole Foods Premium List Ingredient Requirements 1 fl. oz. Airless Bottle Directions Use twice daily after cleansing and toning. Sparingly, apply a small amount on the face and neck or desired areas. Follow with a hydrator and or moisturizer if needed. For All Skin Types. Niacin or Vitamin B3 is essential and beneficial for healthy skin B3 helps stimulate circulation in the skin. Niacinamide also helps relieve blotchiness, reduce redness and even out skin tone. There is no shortage of B3 in our Niacinamide Serum It contains 5 niacinamide to help restore the skin s healthy appearance.