Specially designed for fine and thinning hair, Hairology™ uses natural fibers that blend with your hair for a fuller, thicker, healthier appearance. The fibers cover your scalp to conceal bare roots and thinning hair, and they add luster for a healthy shine. The patented "point and pump" applicator distributes the fibers evenly for a natural look. Can be used with the Hairology Setting Spray,™ if desired. Available in 4 color blends so its easy to match your existing hair color. Made in the USA. 0.19 oz. Choose: Black, Brown, Blonde or Grey. Item can only be shipped to the 48 contiguous Unites States and cannot ship expedited.