Just for Men's 'Control GX' is the name of a new hair care product for men that's designed to gradually, and permanently, reduce the appearance of gray hair.
The product is being introduced to male consumers as a "smart shampoo" that requires adding no additional steps to one's hair care routine to fade gray hair. Just for Men describes that "The shampoo mimics the universal pigment held within a strand of hair to create every person's natural hair color. It gradually restores pigment to gray hairs with each use." As such, the shampoo can be used for a few weeks until one achieves the reduction in gray hair that they desire.
The easy-to-use shampoo product targets men who are concerned about maintaining a youthful appearance, but wouldn't necessarily go to the trouble of seeking out a dedicated hair coloring product.