Most hairs cost gems but most doesn’t. But did you know few hairs that cost coins?
As you see down here it says you can buy it for gems, add it to your wishlist and go to your wishlist.
Now it will show you can buy it for coins (If your level 51)
There’s more hairs then this. For an example: Cassidy Hair – level 36, Sullivan Hair – level 30, Daryle Hair – level 84 and much more! ^^
(Click images to see full size.)