Your shower is where you go to get clean, so the space itself has to be sanitary for that to work. Most of us scrub the tiles and unclog the drain, then forget the one surface water touches every single day: the curtain. Left alone, it collects soap scum, pink slime, and mildew.
If you cannot remember the last time you washed your liner, or the honest answer is “never,” you are in good company. This guide covers how to clean shower curtains of every material, from a cheap plastic liner to a fabric drape, and how to keep them fresh once they are.
Key Takeaways
- Machine wash most curtains: plastic (PEVA or PVC) and polyester curtains go in on a gentle, warm cycle, never hot, with two towels added for scrubbing agitation.
- Air dry any plastic liner: heat warps and melts vinyl, so never put a plastic curtain in the dryer; hang it back on the rod instead.
- Kill mildew without bleach: add a cup of white vinegar to the rinse or scrub with baking soda, and never mix bleach with vinegar.
- Stop it coming back: spread the curtain flat to dry, run the exhaust fan, and keep bathroom humidity down.
Why Do Shower Curtains Get Moldy?
Mold needs moisture, and the bathroom is the most humid room in the house. If you do not air it out or dry the curtain after a shower, the fabric stays damp for hours. Add body oils and soap residue as a food source, and you have ideal conditions for mildew and bacteria.
The fix is airflow. Instead of leaving the curtain bunched in the corner after you rinse off, pull it completely closed across the rod so air reaches every fold and the water evaporates fast. The EPA recommends keeping indoor humidity below 60 percent, ideally between 30 and 50 percent, and drying wet surfaces within a day or two, which is exactly what good ventilation does for your curtain (1).
Pro Tip
How to Clean Shower Curtains in the Washing Machine
The washing machine handles both plastic and fabric curtains, but the settings matter. Two rules cover almost every curtain: use a gentle cycle, and keep the water warm rather than hot. Here is the full method.
1. Remove and Prep
Take the curtain off the rod and remove every hook, plastic or metal, since they can snag fabric or damage the machine drum. Glance at the care label too. Fabric curtains, usually 100 percent polyester, are water-repellent and machine washable, while a heavy vinyl liner may prefer a hand clean.
2. Add Towels
Throw two bath towels into the drum with the curtain. This is the part most people skip. The towels cushion the plastic so it does not crease or tear, and their texture scrubs off soap scum as the drum turns. Use white or light-colored towels so no dye transfers.
3. Add Detergent and Boosters
Use a small amount of your regular mild detergent. To handle odor and mildew, skip the bleach and reach for pantry staples. If you like cleaning with vinegar, pour one cup of distilled white vinegar into the rinse dispenser. Or add half a cup of baking soda straight to the drum with the detergent, where it works as a gentle abrasive. One safety rule: never combine bleach with vinegar, because bleach plus an acid gives off chlorine gas (2).
4. Select the Cycle
Set the washer to gentle or delicate, and keep the water warm, never hot. Heat is the enemy of plastic.
- Plastic, vinyl, or PEVA: cool to warm water only. Hot water warps and can melt the liner right in the drum.
- Fabric or polyester: warm water with your regular detergent is usually safe. Check the care label first.
5. Hang to Dry
Never put a plastic shower curtain in the dryer, because even low heat can melt or warp it. Take it out of the washer right away and hang it back on the rod, spread out fully to air dry. Fabric curtains can often tumble dry on low, but a curtain with an attached plastic lining has to air dry, so check the label before you risk it.
Can I Wash a Plastic Curtain in the Machine?
Yes. Most plastic, vinyl, and PEVA curtains are machine washable as long as you avoid high heat and harsh chemicals. Skip fabric softener, which leaves a residue on plastic that actually attracts more scum later, and always add those buffer towels so the liner does not stick to itself or the drum.
How to Clean Shower Curtains by Hand
No washing machine, or a liner too delicate for one? You can clean it right in the bathroom. This takes a little more effort but works well on light buildup.
- Dampen a cloth: wet a microfiber cloth or sponge with warm water.
- Apply baking soda: sprinkle baking soda onto the damp cloth. It works as a mild scouring agent that breaks down soap scum.
- Scrub the curtain: with the curtain hanging or laid flat in the tub, scrub the surface. Pay extra attention to the bottom hem, where pink mildew tends to gather.
- Rinse well: use a handheld showerhead or a bucket of warm water to rinse the paste away.
- Treat stubborn spots: for lingering mildew, spray a 50/50 mix of water and white vinegar, let it sit 10 to 15 minutes, then scrub again. Vinegar kills many common household molds, though it will not fully clear mold that has soaked into a porous surface.
- Dry: shake off the excess water and spread the curtain out to air dry. Open a window or run a fan to speed it up.
How to Clean Shower Curtain Rings
The rings get overlooked, but they collect dust and rust. Whether they are plastic or metal, refresh them like this:
- Fill the bathroom sink with warm water and one cup of distilled white vinegar.
- Soak the rings for at least an hour to loosen debris and mineral deposits.
- Drain the sink and rinse the rings under fresh water.
- If rust or grime remains, scrub them with an old toothbrush.
- Dry them fully with a towel before hanging them back up.
FAQs
No More Mold
You do not have to share your shower with mildew. Wash the curtain about once a month, by machine or by hand, and it stays fresh with almost no effort.
The real win is a dry bathroom. Ventilate the room, spread the curtain out after every use, and give the liner a quick vinegar mist through the week. Do that, and cleaning day barely registers as a chore.
