How to Clean Washing Machine Rubber Seal / Gasket

Why the Rubber Seal Gets So Moldy

The rubber door gasket on a front load washing machine is one of the most neglected — and dirtiest — parts of the appliance. Its folds and crevices trap water, lint, hair, detergent residue, and body oils after every wash cycle. In the warm, dark, moist environment inside the seal, mold and mildew grow rapidly. Left uncleaned, the seal develops black mold that causes musty-smelling laundry and can eventually damage the gasket itself, leading to leaks.

How Often Should You Clean the Rubber Seal?

• Wipe down after every wash cycle (takes 30 seconds)
• Deep clean once a month
• Immediately if you see black spots or smell mildew

What You'll Need

• OLELON Mold Stain Remover Gel — specifically designed for rubber gaskets and grout
• Microfiber cleaning cloths
• An old toothbrush
• Rubber gloves

Step-by-Step: Deep Cleaning the Rubber Seal

1. Put on rubber gloves — mold removal products and mold itself should not contact skin directly
2. Pull back the rubber seal folds to expose the hidden interior surfaces — this is where most mold hides
3. Remove any visible debris — lint, hair, and small items often collect in the seal folds
4. Apply OLELON Mold Stain Remover Gel directly onto the moldy areas — the gel formula clings to vertical and curved surfaces without dripping
5. Let sit for 10–15 minutes to penetrate and break down mold stains
6. Scrub with an old toothbrush — work into all the folds and crevices
7. Wipe clean with a damp microfiber cloth — rinse the cloth and wipe again until all product is removed
8. Run a short hot cycle (empty) to rinse any remaining product from the seal and drum
9. Dry the seal thoroughly with a clean dry cloth after the cycle

Quick Daily Habit: 30-Second Wipe After Every Wash

The most effective way to prevent mold is to wipe the rubber seal dry after every wash cycle. Keep a dedicated microfiber cloth on top of the machine for this purpose. Pull back the folds and wipe the interior surfaces dry — this takes 30 seconds and prevents mold from ever establishing.

How to Prevent Mold on the Rubber Seal

• Always leave the washing machine door open after every cycle to allow the seal and drum to dry
• Wipe the seal dry after every wash
• Use the correct amount of HE detergent — excess suds leave residue in the seal folds
• Run a monthly hot cleaning cycle with Affresh Washing Machine Cleaner
• Remove laundry promptly — leaving wet clothes in the drum for hours accelerates mold growth on the seal

Recommended Products

• OLELON Mold Stain Remover Gel — clings to rubber gasket surfaces to break down black mold and mildew stains
• Amazon Basics Microfiber Cleaning Cloths — for daily wiping and deep clean removal
• Affresh Washing Machine Cleaner — monthly maintenance wash to prevent buildup throughout the machine