That is for split ends. Many people use hemorrhoid creams. They use it under the chin. Others will use it to lift their bathing suit up in the back, and some will use it on their love handles. Some even apply hemorrhoid cream to their cellulite.
Gray hair is something that is fairly dull.
You want to make sure it is shiny. Take a little lemon and vodka and add it to your shampoo. The way you cover up gray hair is you can take eye shadow powder and dab it into the hair. It should be precision cut. Any layering will just make your hair look thinner.