Tonics are once again popular, and for good reason: they are great for keeping your scalp healthy and adding shine to your hair. Hair tonics have discovered their way into the lives of women as well; becoming a key part of their beauty arsenals. Tonics for hair and scalp supply many benefits that are helpful to many people. Irrespective of your hair type (as well as how much or how little you have), you will likely find a hair tonic formula that is right for you. Some of the many benefits of using hair tonic include dandruff reduction, right pH balance, nourishment, added shine and gloss, and hair growth.