A Step-by-Step Guide to Freshening Up Your Retainer at Home

April 11, 2025

Freshening up your retainer doesn’t have to involve pricey products or a trip to the dentist. In fact, with just a few items you probably already have in your kitchen or bathroom, you can easily keep your retainer clean, clear, and free from buildup. Whether you’re using a daily wear or nighttime model, proper care can extend its life and help keep your smile healthy.

Here’s a step-by-step guide to cleaning your retainer at home using natural ingredients—and a few affordable extras for a deeper clean.

Step 1: Rinse Immediately After Removal

Always rinse your retainer with lukewarm water as soon as you take it out. This prevents debris and saliva from drying on the surface and helps reduce bacterial growth.

Tip: Avoid hot water—it can warp plastic retainers.

Step 2: Make a DIY Retainer Cleaner

Creating a diy retainer cleaner at home is quick and inexpensive. Here are three safe and effective soaking options:

Baking Soda Soak
Mix 1 tablespoon of baking soda with a cup of warm water. Soak your retainer for 15–30 minutes.
Vinegar Solution
Combine equal parts white vinegar and water. Soak for 15–20 minutes to kill bacteria and remove calcium buildup.
Hydrogen Peroxide Mix
Mix equal parts hydrogen peroxide (3%) and water for a deeper clean. Soak for 20 minutes, then rinse thoroughly.

Step 3: Gently Brush the Retainer

Use a soft toothbrush to gently scrub your retainer after soaking. Focus on the inner grooves and edges where buildup may hide.

Do not use toothpaste—it can be abrasive and cause tiny scratches on your retainer’s surface.

Step 4: Rinse Thoroughly

After brushing, rinse your retainer under lukewarm water to remove all traces of cleaning solution. If any smell remains, a second rinse with plain water usually helps.

Step 5: Deep Clean with an Ultrasonic Cleaner (Optional)

If you want to go beyond basic cleaning, consider using an affordable ultrasonic cleaner. These small, easy-to-use devices use sound waves to remove plaque, gunk, and bacteria from every crevice.

For added cleaning power, drop in a cleaning pod made for oral appliances. The pod dissolves in water and works with the ultrasonic action to break down odor, buildup, and residue even more effectively.

How to use:

Fill the cleaner with water
Add a cleaning pod (optional)
Place your retainer inside
Run the cycle (typically 5–10 minutes)
Rinse thoroughly after

This method is especially helpful for long-term freshness.

Step 6: Dry and Store Properly

After cleaning, allow your retainer to air dry completely before placing it in its case. A clean, dry environment helps prevent bacterial growth.

Clean your case regularly too—soap and water are usually enough.

Final Thoughts

Keeping your retainer fresh at home is easier than you might think. A diy retainer cleaner made from household staples like baking soda or vinegar can handle everyday buildup. If you want to level up your cleaning routine, an ultrasonic cleaner and cleaning pods offer a convenient and affordable solution.

By following these steps regularly, you’ll maintain a clean, comfortable retainer—and a confident smile.