Have you ever stopped to consider what the goal of hair extensions really is? This skill that we devote so much time and energy towards perfecting, these products that we purchase and maintain so painstakingly—what are they for, and why do they matter? Most stylists know the answer instinctively, even if they’ve never worn hair extensions themselves; they can see it written all over their client’s face at the end of an installation appointment. Hair extensions are designed to produce...