I was instantly intrigued but wasn't sure how red light therapy works on hair and if a hat embedded with this technology would actually result in thicker-looking locks. Do Red Light Hats Work For ...

If the sheer humiliation and confusion of those products puts you off, let the HigherDose Red Light Therapy Hat seduce you. The minimalist black cap doesn't scream, "My hair is falling out!" ...

I styled it with my red Ganni puffer, a simple pair of blue jeans, and my favorite black oxfords. I fully expected it to flatten my hair, like any other hat I’ve tried—and was willing to take ...