brokentypewtr at 2012-10-05 14:50:18:

It rubs the lotion on it's skin. Totally freaked me out when the light hits the wall and we see the bloody fingernails. Great reveal and suspense. Catherine realizing she's not the first victim and will probably not live through this. Awesome screenwriting by creating suspense and giving us insight into Buffalo Bill's mind by using Hannibal Lector to Mentor Clarice.

Scott at 2012-10-06 00:40:27:

The whole "It rubs the lotion on its skin" thing is straight out of the FBI behavioral science group, a finding they made about serial killers who will refer to their victims as "it" [3rd person] to dehumanize them, making it easier for them to victimize them.

Inside the Character of “Buffalo Bill” from “Silence of the Lambs” | FilmmakerIQ.com at 2012-10-09 16:58:13:

[...] Before director Jonathan Demme explored skin-crawling inhumanity with The Silence of the Lambs in ... [...]