It is not a good idea to use either super glue or heat resistant glue to permanently bond the nozzle to your hairdryer. While both types of adhesives may provide a strong bond, they are not designed to withstand the high temperatures and vibration that are present when using a hairdryer. Over time, the adhesive may break down or lose its bonding strength, which could cause the nozzle to fall off again. Additionally, the heat generated by the hairdryer may cause the adhesive to break down, emit fumes, or become brittle, which could compromise the safety of the device. If the nozzle of your hairdryer is falling off, it is probably because the original adhesive has broken down or become damaged. In this case, the best solution is to replace the nozzle with a new one. This will ensure that the hairdryer is safe to use and that the nozzle stays securely in place. If you are not comfortable replacing the nozzle yourself, you can take the hairdryer to a repair shop or contact the manufacturer for assistance.
