While you should never feel obliged to give an extra holiday gift, particularly if the service doesn't warrant it, Post says that any gift, be it a handmade item, purchased gift, or cash tip, should always include a brief handwritten note expressing your appreciation. For beauty salon staff, give a gift or cash, the amount depending on how well you tip after each service. Not sure how much to give? According to Post, the general guideline is: "The cost of one salon visit divided for each staff member who works with you." There you have it. Now it's your turn to dish. Do you dole out a little something extra for your stylist during the holidays?