Many chemicals used in hair salons can cause conditions from minor skin irritation to serious injury and disease. These chemicals might be common products that you find even in homes, like bleach and bathroom cleaner. Or, they might be found only in your work place, like hair dye and antiseptic cleaner for your tools.Employers are required to inform their staff of hazardous materials in the workplace, and train the workers in their safe use. All NT and NU workplaces that use materials identified as hazardous (“controlled products”) by the Workplace Hazardous Materials Information System (WHMIS) are required to follow the WHMIS system. WHMIS uses clear and consistent labels to help people recognize hazardous materials. It also provides specific information on handling, storing and disposing of these materials.