Scalp hair loss is not random across follicular units: A new insight into human hair ageing. - Luo, Junyu; Qian, Qili; Zheng, Wenxin; Gripkauskaite, Ieva; Wu, Sijie; Zhang, Min; Li, Jinxi; Fu, Bingfei; Bhogal, Ranjit; Murray, Peter; Rowson, Matthew; Li, Bin; et al. (International Journal of Cosmetic Science, 2023)