Cooler Heads , a pioneering medical device company, has closed an oversubscribed $11M Series A funding round to expand the manufacturing and rollout of Amma™, the only FDA-cleared Portable Scalp Cooling System. The Amma™ system helps chemotherapy patients keep their hair and preserve their privacy, eliminating the disfiguring hair loss that has long been an accepted side effect of chemotherapy. "Hair loss is so emotionally devastating that 8% of patients eligible for chemothe