Due to time constraints, Persin subcontracted the build of Monstro Eliasue’s suit to a U.K.-based company. “We had two full suits, one for a stunt double, and a half-built suit for Margaret, which she wore for closeups.” Persin and his team took care of all the effects, including the boob that squeezes out of one of Monstro’s many holes.

Full of bold colors, detailed close-ups, and tearing flesh, “The Substance,” directed by Coralie Fargeat, takes body horror to a new level. The commentary on Hollywood’s treatment of women and the concept of “aging gracefully” can’t go unnoticed.

"The Substance" star Demi Moore is getting Oscar buzz for the gory body horror movie, costarring Margaret Qualley. Here's what to know about the movie's ending.