Diy Hair Dryer Diffuser . How to properly diffuse curly hair. Plug in your hair dryer and set the heat settings to “low” or “medium”. Vingtank DIY Hair Diffuser Salon Magic Hair Roller Drying Cap Blow from www.walmart.com 2300w professional hair dryer with 2 speed & 3 heat settings & cool shot for women men, ionic salon hairdryer with diffuser and concentrator for curly and straight hair. Most importantly, if we don’t have a diffuser around, drying our hair too fast. Diy sock diffuser is a perfect thing for you if you want to boost your hair volume and make it look amazing.