Plucking hair in a specific pattern could lead to better growth of hair according to a research conducted by a team at the University of Southern California. Chih-Chiang Chen of National Yang-Ming University and Veterans General Hospital in Taiwan devised a method to pluck around 200 hair follicles individually on the back of a mouse. When the hairs were plucked in a high density pattern from circular areas between 3-5mm, the team noticed 450-1300 hair re-growing in the region.
The research team thinks that the process of plucking hair in this manner leads to an immune system response, which leads to strong hair regrowth. The process seems counterintuitive but the research team has witnessed strong hair, instead of baby hair which usually grow in other techniques.