CONCEAL THIN HAIR AND BALD SPOTS INSTANTLY! Toppik Colored Hair Thickener is an innovative color spray specially designed to disguise areas of thin hair, root re-growth between color appointments, scalp show-through and even bald spots. This lightweight spray solution provides instantly fuller, thicker-looking hair. Formulated with unique pigments that match your desired hair color, Toppik Colored Hair Thickener is easy to apply and looks completely natural. Dries quickly and will not rub off on