Janet McCormick, MS, a licensed esthetician and manicurist with 40 years of experience in the industry and co-owner of the Nailcare Academy, an online format for advanced nail-care certification programs for nail technicians. She is author of Spa Manicuring for the Salon and Spaand has written more than 500 educational articles for the industry trades. MediNails.com
The blades of low-quality nail clippers can become dull and jagged after as few as three or four uses. But…