5 min read DUDES LOVE TO debate. Lebron or Jordan? Marvel or DC? Are hot dogs a sandwich? These are the squabbles that fill my barside boys’ nights. But lately, a new beer-fueled topic has taken over—at least for those of us still holding onto our hair (shout out thickening shampoos and other hair loss treatments ). The question: Am I washing my hair too much, or not enough? As a grooming editor (with incredible flow, might I add), I’m often asked to mediate this debate. A role I was thrust into after similar conundrums like electric razors versus cartridge razors or mineral sunscreen versus chemical sunscreen . But the ramifications are much more dire when it comes to washing hair than who’s buying the next round. Why it Matters If you don’t wash your hair often enough, oil and product buildup can lead to scalp issues like dandruff, inflammation, and even infections, says board-certified dermatologist and hair restoration specialist Dr. Paul Rose, MD .…