Derma Roller for Hair

A derma roller for hair is a tool that is meant to be used on the scalp to stimulate hair growth. The roller contains hundreds of tiny needles that are meant to prick the scalp and promote blood circulation. This, in turn, is said to promote hair growth.

Interest in Derma Roller for Hair grew 45% over the past year, compared to the year before, putting it at a current volume of 22K searches per month, as of last month.