I pay my hair dresser directly. All the money goes directly to the hair dresser. Do I need to add tip?

Yes Ma'am. 15% is standard.I pay my hair dresser directly. All the money goes directly to the hair dresser. Do I need to add tip?
I usually tip my hairdresser 15% if she did a nice job or 20% if I'm extremely satisfied :)I pay my hair dresser directly. All the money goes directly to the hair dresser. Do I need to add tip?
Yes. 15% tip.
Yes tip your hairdresser