Buy Hair Inc - Cork City vouchers for deals on Shellac Manicure €13. A Hair Inc beautician shapes and files clients’ nails, prepping the canvas for a coat of CND’s Shellac polish. This hybrid gel product creates a high-shine finish that’s designed to resist chipping. Those wishing to maintain the look for weeks to come can opt to secure two repeat appointments. Hair Inc provides styling services at a salon situated on Oliver Plunkett Street in the heart of Cork. The salon stocks products from the likes of Schwarzkopf, and also offers a selection of beauty treatments.