Universal Hair Diffuser: This hair diffuser is a universal diffuser that fits most 3.55cm to 6.6cm hair dryers. This is an adjustable hair diffuser that fits over 99% of different hair dryer models on the market. It opens wide enough to fit a variety of sizes. You no longer have to worry about which type of hair dryer to buy. Gorgeous hairstyle: All hair types are great for spreading, especially for curly hair. This hair dryer diffuser minimizes frizz, boosts volume, defines curls and enhances shine. You can use the diffuser attachment to blow your hair like the professional salon at home. By using a hair diffuser, you will always have bouncy, bold and beautiful curls. Easy to use: The hair diffuser can fit most hair dryers with a round opening. It's so easy to connect the hair diffuser and it speeds up drying time without damaging the hair itself. Simply twist the top of the diffuser counterclockwise to enlarge the opening, slide the hair dryer nozzle into the hair dryer diffuser and release, then attach it to the fan. Makes styling curly hair easier! Faster and Safer: This hair dryer diffuser is made of high quality PC material. Waterproof, heat resistant and eco-friendly. This universal hair dryer diffuser could help you dry your hair much faster without straightening the curls. The honeycomb designed diffuser gives the heat a more even and wider distribution area, not just in one place like a hair dryer does. IDEAL GIFT: This hair diffuser that comes with a shampoo brush would be a great gift for women and teens. You can give the hair diffuser to your mother, daughter, girlfriend as a holiday or birthday present. We are committed to manufacturing premium hair diffusers.