【Nova Hair Dye Shampoo】100% GRAY HAIR COVERAGE、 Can effectively cover gray hair, so that you are no longer affected by gray hair and rejuvenate. Obtain back the fresh-looking hair of your younger days. Black hair can last 3-4 weeks. The hair color shampoo only hang on to the exterior of the hair shell, It's safer for your hair as well as your skin. (Warm Note): Take a skin test before first using. 【Safe and Effective】:Nova Hair Color Shampoo 3 in 1,rich in Natural Botanical Formulation, Our hair color is different from traditional hair dyes, free of parabens and harsh chemicals. Dark brown/black hair color can be used not only as a hair dye but also as a shampoo and conditioner. It is very convenient to dye your hair black at home. 【Easy and Fast】Requiring no bowl or brush, just need to put on gloves, and use it the same as normal shampoo, wait for only 15 - 20 minutes(For full coverage of grey hair stay time 20 minutes), Our hair dye shampoo for women and men will cover all your grays! Doesn't stain your skin. 【Gentle Herbal formula ingredients】: Natural plant formula, strengthen the hair roots, make the hair strong and soft. Ginseng extract nourish the hair silk, make the hair dark and shiny. Natural black hair lasts for more than 3 weeks. Doesn't damage h 【SaveTime and Money】: Stop spending a lot of time and money going to the salon. Now you can use our color shampoo from the comfort of your home and get great color results in just a fraction of the time. Save a lot of time and money. It is very suitable to give parents and elders as a gift NOVA team is very focused on your shopping experience, so please contact us if you have any questions and we will be happy to help you!