This is an easy to use hair retouching color that can easily hide gray hair areas especailly hairline and parting. Just apply it to dry hair with the included diagonal cut brush, it will give you a soft, natural finish without stickiness or stiffness. Contains beauty moisturizing ingredients such as coenzyme Q10. Long lasting and waterproof formula that is strong against sweat and rain. Can be washed off easily with shampoo. Made in Japan