The Substance (2024) is a psychological body horror film about a fading celebrity who is offered a mysterious treatment that allows her to temporarily create a younger, “better” version of herself. The two versions are meant to share one life, but the process quickly becomes unstable and increasingly disturbing.

The film highlights something very familiar: the desire to become a better version of yourself, and pushes it into something unsettling. At its core, it does not really feel like it is about transformation in a positive sense, but more about what happens when you never feel like you are enough as you are.

A lot of what the film shows connects to Body Dysmorphic Disorder, where people become fixated on perceived flaws in their appearance that often feel very real to them, even if others do not see them. The film exaggerates this through physical change, but the emotional experience behind it does not feel that far off from real life.

Because of today’s world, changing your appearance has become so normalized or self-confidence. But, there is also this quieter question underneath it all: when does wanting to feel better about your physical appearance turn into needing to completely change yourself to feel okay?

Spoiler Alert. In The Substance, once the transformation starts, it does not stay controlled for long. What is meant to be empowering starts to feel invasive and unstable. The body stood feeling like something the character owns, that is where the horror really sits, not just in what is happening physically, but in the loss of control over yourself.

There are also repeated mirror and reflection scenes that really stick with you. It is like she is constantly being split between who she is and who she is supposed to be. And that gap between the two never really closes; if anything, it gets worse the more she tries to fix it.

I think what makes the film uncomfortable is how close it feels to real life. We already live in a world where appearance is constantly being judged, compared and edited. Social media does not really help that either; it just makes everything more visible and more constant. So the idea of changing your body to feel better does not feel extreme anymore. It feels like something people are already doing just in less dramatic ways.

But, The Substance kind of pushes the logic to its limit. It makes you sit with the question of whether changing your body actually fixes how you feel about yourself or whether it just shifts the problem somewhere else.

And it does not really give you an answer. It just leaves you sitting with it.

Watch The Substance on Mubi.

Contributing Writer: Kiana Chanté Gillings McArthur

Image Credit: Featured Image: Noah Buscher on Unsplash