Mostly hairs on chin are associated with a condution PCOD
. which is charactrised by irregular periods
.you have to consult a Gynac to treat it.
If not so, Please see an endocrinologist
for harmonal assay,you will get exact medicine to get rid of it permanently.
Some beauty treatments may help. viz.-
TEMPORARILY-Waxing will help.
Permanently - byElectrolysis .
Hope the information is helpful.