Weird.. I can GIS it and it show up but the link is busted. Here is text. As far as I know, they closed the case on this question a loooong time ago. Hell, this article is from 1970!



"Journal of Investigative Dermatology (1970) 55, 170–172; doi:10.1111/1523-1747.ep12280667
SHAVING AND HAIR GROWTH

Yelva L Lynfield and Peter Macwilliams
Dermatology Section, Medical Service, Brooklyn Veterans Administration Hospital, Brooklyn, NY 11209
Received 20 March 1970; Accepted 10 April 1970.

Top of pageAbstract

The effect of repeated shaving on human hair growth was studied. Five healthy young white men each shaved one leg weekly for several months and left the other leg as a control. No significant differences in total weight of hair produced in a measured area, or in width or rate of growth of individual hairs, could be ascribed to shaving."