Using these hairbands is easy. Just wrap them around your hair and adjust them to your desired position. When it comes to maintenance, use a soft cloth to gently wipe them clean. Keep them away from sharp objects to avoid scratching the imitation gemstones. Remember, this product contains chemicals that can be harmful, so don't let it come into contact with your mouth or eyes. If you have any concerns about the chemicals, check the link provided in the product description for more information.