"From the clamshell razors and homemade lye depilatories used in colonial America to the diode lasers and prescription pharmaceuticals available today, Americans have used a staggering array of tools to remove hair deemed unsightly, unnatural, or excessive. This is true especially for women and girls; conservative estimates indicate that 99% of American women have tried hair removal, and at least 85% regularly remove hair from their faces, armpits,...