Wish your hair color lasted just a little bit longer the wait is over. Introducing cover your grey 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 suitable for covering wispy greys and/or longer strands of hair. Also may be used on eyebrows.