Color:Medium Brown Wish your hair color lasted just a little bit longer? The wait is over. Introducing Cover Your Gray's Waterproof Brush-In,a waterproof formula that lasts through 3 shampoos,is sweat-proof and rain proof. Available in 4 color shades,the Waterproof Brush-In has a Mascara Wand Applicator ideal for covering wispy grays and/or longer strands of hair. Also may be used on eyebrows.