ndustry giant Regis Corp....McKay also is expanding Japonesque's private label business, stepping up its production of brushes, makeup bags, studio cases and other items for such big names as Sephora, Clinique and Laura Mercier. ...Called Jem by Japonesque, the brightly colored assortment of hairbrushes, portable mirrors, lip brushes, tweezers and nail clippers geared to teen-age Nordy customers i