Why skin at vulva goosebumps after waxing?

It got "goosed".: When the hot wax is applied and removed ("ripped off"), the muscles under the skin called Erector pili elevate the skin in the form of "goosebumps" which also occurs when your body is frightened or cold as a reaction. Hot waxing is definitely a "female" endeavor as it a harsh "medieval" way to do the jab that a electric shaver or razor does just as well. Women are tougher then men in that regard.