Cast Application of Four Weeks' Duration Significantly Affects Hair Length, Diameter, and Density
April 2013
in “
Journal of dermatological treatment
”
TLDR Wearing a cast for four weeks makes hair grow longer, thicker, and denser.
The study conducted by researchers from Chulalongkorn University in Bangkok, Thailand, found that the application of a cast for four weeks significantly affected hair characteristics. Specifically, it was observed that hair length, diameter, and density were all impacted by the cast application. This research provided insights into how immobilization and lack of movement could influence hair growth and quality.