Perfect condition, only used once but I cleaned it No diffuser, I threw it away because I don’t have curly hair Otherwise, all pieces including instructions come with it Bought from Amazon and pasted from website: Multifunctional Hair Dryer Brush - The IG INGLAM 3 in 1 blowout brush is a multifunctional hair dryer brush which has four different-size brush heads to satisfy your styling needs. Served as a dryer, volumizer, curler and straightener, it allows you to achieve gorgeous hair styles efficiently, saving your time and money.