Sweetest Williamsburg hair salon also caters to cult beauty junkies via its venerable apothecary. Moniker derived from childhood nicknames of owner sisters; stylists, colorists snagged from ranks of Bumble and bumble, Vidal Sassoon, John Sahag. Old tobacco rolling carts stock internationally sourced collection of guys' and dolls' grooming products, toothpaste to body soufflé. Beauty Room handles micro mini peels, faux eyelashes, discreet facial waxing. To ease shears fears, gratis wine, beer, and/or tea. Curly tresses ask for Erin.