Hair Genetics The advanced fibers for hair building with keratin create a more natural, thick, and textured look that lasts all day. Available in black, dark brown, medium brown, blonde Quick and easy to apply, looks and feels 10 years younger in just 30 seconds with an itch-free guarantee! Just shake and spray for thicker, fuller hair in less than 30 seconds, no mess, no hassle, a more durable cover. Hair Genetics Professional quality hair loss concealing fiber with an excellent hair thickener to help hide the effects of alopecia