Think air-drying is always the healthier option? Think again. When done properly, blow-drying can actually protect your hair—and leave it looking smoother, shinier, and more polished than air-drying ever could. Hair is most vulnerable when wet. Letting it air-dry keeps it in that fragile state longer, increasing frizz and breakage. A professional blow-dry removes moisture quickly, seals the cuticle, and boosts style longevity—especially when paired with the right heat protec