Universal Hair Diffuser: The hair dryer diffuser is a universal diffuser for hair dryers with an outlet diameter between 3.5cm and 6.8cm. It is an adjustable hair diffuser attachment that can fit over 99% of different hair dryer designs on the market. It's adjustable in a very wide range, so you don't have to worry about it not matching your hair dryer. Create the perfect hairstyle: All hair types are great for diffusion, especially curly hair. The diffuser attachment addresses dryness and frizz during hair drying, enhances frizz and texture, improves hair quality and redefines your perfect curls. It allows you to blow dry your hair at home like a professional salon, leaving you with bouncy, shiny and beautiful curls. Excellent design and hair protection: The blower diffuser uses honeycomb outlets to ensure the distribution of airflow and heat, and increase the hot air outlet area. It saves drying time and avoids damaging your hair from concentrated heat. With a good all-purpose diffuser for your hair dryer, you don't need to worry about getting too close to your hair dryer and getting burned. PREMIUM MATERIAL, EASY TO USE: The hair diffuser is made of high-quality eco-friendly ABS material, which is waterproof and heat-resistant. The buckle is made of 3 silicone non-slip pads that lock securely and won't damage the hair dryer. It's easy to install, just rotate the top of the diffuser to widen the opening, place the blow dryer nozzle into the hair diffuser and press the release button.