Waterproof Gray Hair Color Touch Up Chubby Pencil 2.9g Waterproof Formula: Lasts up to 3 shampoos, resists sweat and rain. Pencil applicator. Ideal for covering large areas of hair such as the hairline, temples and sideburns. Excellent for travelers. Compatible with all hair colors. No water is needed; simply open the applicator and apply. Does not stick or clump.