When you’re staring down a chemotherapy schedule, it’s tempting to think of the first infusion as a trial run — a chance to see how your body responds before deciding what else to add to the plan. But when it comes to scalp cooling, treatment one isn’t a warm-up.It’s the moment that sets the tone for overall likelihood of total hair retention Hair Follicles Don’t Get a Second First Chance Chemotherapy targets fast-dividing cells, and hair follicles are some of the most active cells in the…