1. Open salon
2. drag pony picture in
3. choose the mane or tail
-U will see styles with a lock on it. Click on it. There is the "Price" (1200-2400 gold) and a small gold coin on the right side of the sign. There u can buy that style.
-After u bought a style, u can put it on a pony by selecting the style, and u can eithr click on the same gold icon (100 gold to put on), or there is the vocher "Validate" option, simply press the + and than the Validate.
Hope i described it good