Brown brown brown, red.
Pruritus ani, aka “polished anus syndrome”.
There’s a lot that can cause it, but sanding the skin off with toilet paper is definitely on the list.
I legit think those exact words all the time, lol. Everything in medicine is latin…
I actually laughed out loud during an Anatomy & Physiology test because I saw the words “Corpus Cavernosum” and got the mental image of Harry pointing his wand at Draco, shouting those words, and Draco falling over, grabbing his crotch, and screaming. xD