Walk down the hair care aisle at any store today, and you’ll see it: “Sulfate-Free” plastered across countless shampoo bottles like a golden badge of honor. These labels often promise gentler formulas, better hydration, color protection, and healthier hair overall. But what exactly are sulfates? Are they really harmful—or just misunderstood? Is sulfate-free shampoo truly better, or is it just another beauty buzzword?