Brand from South Korea: Vov. A waterproof hair mascara that is quicky dry to cover gray hair without smudging. Provide nutrients for hair, leaving hair with moisturizing shine. Long-lasting gray hair coverage power, the color can be kept for 2-3 weeks after 3-5 times are applied. How to use: 1. Apply on dry gray hair with a brush and wait for 5-10 minutes for drying. 2. No need to wash off with shampoo.