If you’re like most people experiencing hair loss and shedding , you’ll notice that treatment takes a lot of trial and error to get your hair back on track. Tools like dermarolling , red light therapy and scalp massagers have come up time and time again on social media promising healthy hair growth, but do those viral products actually work? I spoke to board-certified dermatologists and trichologists to narrow down the best at-home tools you can use to help your hair grow, and how to separate them from the gimmicks.

Selected. Our top picks

Best red light therapy device

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Best dermaroller

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Best gua sha tool

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Best scalp massager

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What hair growth tools actually work?

The telltale sign a hair growth tool isn’t reliable is dramatic claims. “Anything claiming instant regrowth or dramatic results in a week is unrealistic,” says board-certified trichologist Aga Tompkins .…