It is strictly up to the individual. My hairdresser runs a home based business and is her own boss, but I do give her a tip for a job well done. It's 15% or you can just give them four to five dollars (whatever you can afford.)
The amount is at your discretion. If your aesthetician is theowner, you will tip him/her differently than any employees. Employees , like most beauty operators, are renting booth space or use of...
Receive tips FROM their employees??? If they wish to give themn to him I guess he can. On the other hand if he is requiring/forcing/coercing him to turn their tips over to him he may be in conflict...
If by "take" you mean confiscate them from his staff - no he may not. The tips are considered (even by the tax authorities) to be part of the earned income of the servers and wait staff. While there...