Horror as a genre includes films that will make you deeply uncomfortable, disgusted, shocked. Grotesque.
The Front Room taps into this kind of horror, which, to be fair is very niche and upsetting to most viewers.
It's not meant to give jump scares or create fear in the way classic horror does. This type of horror is meant to unsettle you, disgust you.
Kathryn Hunter took the role of Solange and absolutely jumped in with both feet, wow.