What Causes Peeling Of Skin Between The Thigh And Vagina?

Im 19 175 What causes skin to peel between thigh and vagina and a littleon the thigh I've kame to the conclusion that it could be this razor bump stuff i usd called skin tight and it drys my skin out i think i just wanted your opinio....and i was on a couple other sites they said it kould be my pad or razor it self but i haven been on my. Period for atleast 5days