Delivered via helmets or caps, these treatments can help stimulate hair follicles to promote natural regrowth.

And the best part is that you can cut back on your hair shed for just $10 a bottle.

I see less shedding when I brush my hair ... which offer a more precise and condensed beam of light than an LED. Plus, the comb design—which reviewers loved for how lightweight and efficient ...

At its core, red light therapy is a form of photobiomodulation ... Dr. Henry agrees, noting that while some people may notice reduced shedding in two to four months, significant improvements ...