What is the best way to dispose hairspray?

The best way to dispose of hairspray is to check if it is empty. If it is, you can recycle the can with your local metal recycling. If there is still product inside, it should be taken to a hazardous waste facility, as aerosol cans can be dangerous if thrown in regular trash. Always follow local regulations for hazardous waste disposal to ensure safe and environmentally friendly practices.