Muk Blow 3900-IR Diffuser
Want curls without the side-serve of frizz? The Muk Blow 3900-IR Diffuser changes the game when it comes to getting the waves, kinks, and curls you want. Curls are dried in their natural shape, resulting in a more robust, buoyant spirals and waves.
Shine is dispersed throughout the drying process, making the Muk Blow 3900-IR Diffuser perfect for all curly hair types, including permed hair.
Sold separately, you can easily attach the Muk Blow Diffuser to your Muk Blow 3900-IR when you want a gentler, distributed heat that infuses curls with the right amount of heat, where it’s needed most.
The result is shiny, smooth hair and – thanks to infrared heat capabilities – a faster drying time with less damage.
Benefits
- Perfect for curly and perm hair
| Feature | Detail |
|---|---|
| Heat Technology | Infrared heat |
| Best For | Curly, permed, and wavy hair |
| Drying Result | Shiny, smooth, natural curls with reduced frizz |
FAQ
How does the infrared technology improve hair drying?
Infrared heat penetrates the hair shaft more efficiently, delivering targeted warmth that dries hair faster while minimizing surface damage and preserving natural curl patterns.
Can this diffuser be used with other hair dryers?
Yes, the Muk Blow 3900-IR Diffuser is designed to attach to the Muk Blow 3900-IR hair dryer for use with that specific model.
Is it safe for color-treated or permed hair?
Yes, the diffuser is suitable for all curly hair types, including permed and color-treated hair, due to its gentle, distributed heat.

Victor Hudson –
I’ve used this diffuser for several weeks now and my curls stay defined without frizz. The hair feels smoother and shinier after every use. It’s especially good for my permed hair, which often gets damaged with regular drying.
Vanessa Parsons –
The diffuser works well with my curly hair. It dries faster than my old diffuser and doesn’t make my curls look flat. I noticed less frizz and more volume in my waves.
Brian Bower –
I was skeptical at first, but after trying it with my color-treated curls, I’m impressed. The shine is natural and the hair doesn’t feel dry or brittle. It’s a game-changer for maintaining healthy curls.
Adam Dickens –
It attaches easily to my Muk Blow 3900-IR and gives a more even heat distribution. My curls stay intact and look fuller. Not as fast as a high-heat setting, but much gentler on the hair.