Airless bottles help keep bacteria and other contaminants out of product. Moisturizing,whitening,hiding pore,brighten skin. 6 shades for your option,perfect for the makeup pros and for you how to use 1.Squeezing a small amount of HD liquid foundation on the back of your hand. 2.Collect it using brush or sponge and apply dots on each side of your nose,on your forehead and chin. 3.Stretch it from the center of the face to the side of the nose the chin and finally the forehead.