 - Shed Hair Collection Procedures At day 2, 2 days after visit 3, 2 days after visit 5, a clinician shampooed each subjects hair in a normal washing manner over a sink with securely fastened cheesecloth positioned to catch any hairs that were shed from the scalp. A clinician gently combed through the hair and rinsed any shed hairs from the comb onto the cheesecloth. Shed hairs found in the cheesecloth were counted and recorded. 