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How to clean Invisalign

If you’re considering getting Invisalign aligners to straighten your teeth, you’ll know that a key reason people choose Invisalign is because they’re so discreet. 


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But to keep your Invisalign treatment secret, your aligners need to be cleaned regularly, which will keep them pristine. 

Most of our patients find cleaning their Invisalign aligners easy, and they’re replaced nearly every other week, so there’s never a lot of cleaning to do. 

Here are some tips to keep your Invisalign aligners invisible.

Before You Start:


Hot water will cause your aligners to lose their shape and become ineffective, and mouthwashes or other cleaners may stain them. 

The best way to ensure your aligners stay clean is to carry a toothbrush and toothpaste with you at all times. 

Clean Your Teeth

Your Invisalign aligners are meant to be worn for at least 20 hours a day. 

This means that any food fragments, plaque or saliva that is on your teeth will be trapped there and pressed against the enamel of your teeth. 

This will stain your teeth and contribute to accelerated tooth decay if you are not careful.

When you remove your aligners to eat or drink, you should ONLY put it back on once you have brushed and flossed your teeth properly. 


The easiest way to deep-clean your aligners is to make this sanitizing bath.

Step 1

Mix hydrogen peroxide with some lukewarm water, with a ratio of around 50/50 of each. 

Although the hydrogen peroxide will not remove any plaque from the aligners, it will kill any bacteria that has accumulated. 

Leave your aligners to soak in the solution for around half an hour. 

Take out your aligners and rinse them off with cold water. 

Step 2

Then make another solution, half lukewarm water and half distilled white vinegar. 

This will help to remove any tartar or plaque buildup on your aligners. 

Soak your Invisalign aligners in this solution for another 30 minutes, and then rinse them off in cold water, brushing them gently with a soft toothbrush. 

Once they’ve been rinsed properly, brush and floss your teeth and you’re ready to put your aligners back in. 

Retainer Baths

Although not necessary, many people prefer to buy a vibratory retainer bath over making a home-cleaning solution for their Invisalign aligners. 

These devices use special soluble crystals that dislodge bacteria and particles as the bath vibrates.

The bath will do a better job at getting rid of bacteria, and is very safe and simple to use.


A simpler and faster option (but less thorough) is to just brush your Invisalign aligner trays. 

Make sure you’re using a soft toothbrush, so you don’t damage them, and apply some of your regular toothpaste to the trays. 

Brush the trays gently, focusing on removing any visible particles of food or build-up of plaque. 

Rinse off the trays with cold or lukewarm water and then dry them using a sterile paper towel. 

And don’t forget to brush and floss your teeth before you put them back on again!

Final Notes

Keeping your aligners clean is an essential part of your treatment. 

This isn’t just for aesthetics, there is real potential to do lasting damage to your teeth if you do not clean your aligners properly.

If you have any more questions about cleaning your Invisalign aligners, or think Invisalign could help you get the straight teeth you always wanted, click below to request a FREE consultation with us. 

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