24. How to Clean a Vinyl or Plastic Shower Curtain: Disclaimer: I’m so embarrassed to post this. In our shower we have a cheap plastic shower curtain (yes, it is a PVC free shower curtain but still a cheap one!) and then we have our nicer fabric shower curtain over it. I clean our bathroom once a week on Tuesdays actually, because I’m (via It’s a Fabulous Life)