Trivia Junction

A Compendium of trivia I find interesting
...for the curious

Comb-mounted Hair Analysis Gauge

U.S. Patent No. 3,459,197

Apparently, one of the stresses of having tresses is always wondering what's in your hair.

In 1969, inventor Ray Wilson came up with an answer.

Wilson affixed a small stress gauge to an ordinary comb. As the user drags the comb through his or her hair, the gauge records how much the comb bends. The more the comb flexes, the more stuff is in your hair and the sooner you should reach for a nice, clarifying shampoo.

Or maybe just a different comb.

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