September 3, 2026

What Is That Gross Gray Fuzz in Your Hairbrush? (And How to Clean It Like a Pro)

It’s not just lint.

No.

That soft, cotton-candy-looking fluff in your brush is a toxic cocktail of scalp oils, dead skin, styling product residue, and airborne dust — and if you’re brushing daily…

Yes.

You’re spreading it back through your hair.

Yikes.

So what exactly is this unsettling growth, and more importantly…

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