Shaving legs with pumice stones

[Dan Howard]

Here is a peer-reviewed study published in the Journal of Investigative Dermatology (1970).
http://www.nature.com/jid/journal/v55/n3...18137a.pdf
"No significant differences in rate of hair growth, either in length or weight, and no coarsening of individual hairs"

http://www.huffingtonpost.com/2012/07/27...05267.html
"Conclusion: Tweezing does not cause hair to grow back thicker. Changes in hair texture are likely caused by hormonal and genetic factors."

http://www.skintour.com/in-depth/unwanted-hair
"It’s an old wives’ tale that plucking hair will make it grow back thicker and coarser. The hair doesn’t grow back differently just because you plucked it."

http://www.snopes.com/oldwives/hairgrow.asp
"This belief probably stems from the perception that short hair seems to be tougher than longer hair. Hair expert Philip Kingsley recommends thinking of a bamboo cane: a long cane flexes easily, but the same cane cut short feels harder and tougher. Another reason for the belief resides with the naturally finer ends of uncut hair: compare the end of a long-lived hair with that of a hair recently cut or shaved, and you'll see the one is thicker than the other. That could lead the less-than-careful to conclude that the whole of the hair's shaft became thicker as a result of the hair's being cut (which it didn't) rather than to realize that shaving or cutting results in a blunt termination, whereas natural outgrowth concludes in a tapering."