Many people don't think twice about using over-the-counter rubs and ointments, assuming that non-prescription pain treatments, hair removal products, and cosmetics can't be unsafe. But experts say ointments containing such ingredients as lidocaine, methyl salicylate, and hydrocortisone can pose serious risks if used incorrectly. A reporter from CNN talks to experts about these topical creams and gels, and she gives a list of 14 ingredients that can pose potential risks if not used correctly.