Rejuvenatrix

4.3
Overview
A rich actress who has gotten too old for leading roles employs a scientist who is working on a formula for eternal youth. The formula involves withdrawing certain fluids from the human brain. She takes the serum, but its unforeseen side effects turn her into a murderous monster.
Recommendation & Similar
House of Voices (2004)
The Mindscape of Alan Moore (2003)
Star (1993)
The Italian Job (1969)
Belle de Jour (1967)
The Enforcer (1976)
To Sir, with Love (1967)
Gamera vs. Viras (1968)
Pather Panchali (1955)
What's New Scooby-Doo? Vol. 3: Halloween Boos and Clues (2004)
Stage Fright (1950)
People (2021)
Daughters of Darkness (1971)
The Trouble with Harry (1955)
Tetro (2009)
In the Cut (2003)
Summer Hours (2008)
The Wrong Man (1956)
The Gauntlet (1977)
Dr. Terror's House of Horrors (1965)