People do not want grey hair on their head, because they are signal for senescence. Grey hair is hide with dyeing, but there is another, less bizarre way to have a darker hair.
Instead of immediately going to the hairdresser and spend a lot of money, try this way to hide grey hair.
Although it sound strangely, by the words of the doctor Anton Una, this way works!
Otherwise, put the potato peels in water and boil for 30 minutes. Then remove the peel and with brush, apply brown liquid on the hair.
Repeat the procedure several times to get a better result.