SEIZE THE DAY WITH CONFIDENCE WITH JEROME RUSSELL'S EASY AND QUICK JET BLACK SPRAY-ON HAIR COLOR THICKENER! Leave self-consciousness behind with this JET BLACK spray-on hair color thickener. It helps cover and color small-to-medium sized bald spots for both men and women. It is also effective at coloring gray roots and creates a thickening effect for thinning hair. It can be used to cover hair extension tracks, and can even be used to fill in beard sparseness. Works on all hair types and textures.