Colorado Cosmetology Written Practice Exam 2026 - Free Cosmetology Practice Questions and Study Guide

The National Cosmetology Association primarily focuses on maintaining high professional standards for the beauty industry and does not specialize in certifying the safety of specific salon equipment. The Occupational Safety and Health Administration (OSHA) is responsible for overseeing workplace safety and does not typically certify individual products like pedicure chairs or hair dryers. The U.S. Department of Health may regulate the manufacturing and sale of these products, but they do not certify their safety. The correct answer is C Underwriters Laboratories. This company specializes in testing and certifying the safety of various consumer products, including pedicure chairs and hair dryers.