In the mornings, before you jump in the shower, do you brace because you know it’s going to be a chilly dribble? Or do you bound into the bathroom eager to jump into the flow of hot water? If it’s the ...

If you’ve spent any time on TikTok lately, you’ve probably seen dozens of newly-converted people who now swear by shower filters. And in a few minutes, you’ll believe the hype, too. Let me explain.