MSNBC has a long trend-piece about how increasingly younger girls are getting bikini waxing. How young? Well, Wanda Stawczyk, who runs Wanda's European Skin Care on West 57th Street, offers discounts for clients as young as 8, and she says pre-teen business is booming, telling the Post that "in 10 years waxing children will be like taking them to the dentist or putting braces on their teeth." Her company’s website says it all:"Virgin-waxing for children......