Gradual Gray is the first shampoo that will gradually darken your gray hair without the risk of making it look fake. We have incorporated an advanced, gray spot technology that will gradually darken the amount of gray and white in your hair every time you shampoo. To make it even better, Gradual Gray Shampoo contains Keratin Protein Complex, Pro-vitamin B5 and Collagen to protect and rejuvenate your hair. In addition, this product will clean and moisturize your hair every time you use it. Gradual Gray works on all types of hair even all white and gray hair. Use Gradual Gray Shampoo like a regular shampoo until you see what you like (generally within 2-4 weeks), then use it a few times a week to keep the look you want. All 3 formulas are used together, so you can receive the maximum results for your hair. The Gradual Gray Shampoo will clean your hair without drying it out, condition to make it softer and easier to manage and reduce your gray without any harsh chemicals. Gradual Gray can be used as much as you want. The more you use it the more coverage you will receive. Gradual Gray can be used on all shades of hair. Leave the shampoo in your hair for 5 minutes while you shower. If for some reason, you want faster looking results, add shampoo to dry hair and leave on for 10-15 minutes.