TL;DR: Clean your Invisalign aligners every time you brush by rinsing them under lukewarm water and gently brushing with a soft-bristled toothbrush and clear antibacterial soap. Soak a few times per week using cleaning crystals, denture tablets, or a diluted hydrogen peroxide solution. Avoid toothpaste, hot water, and colored mouthwash, all of which can scratch, warp, or stain the trays.

The best way to clean Invisalign aligners is to rinse them under lukewarm water and gently brush them with a soft toothbrush and clear antibacterial soap every time you brush your teeth. If needed, you can soak them a few times per week using cleaning crystals, denture tablets, or a diluted hydrogen peroxide solution. Avoid toothpaste, hot water, and colored mouthwash because they can damage or stain the trays.

Keeping Invisalign aligners clean is one of the most important parts of successful orthodontic treatment. Because aligners sit directly against your teeth for most of the day, they can easily collect bacteria, plaque, and saliva residue if they are not cleaned regularly. Dirty trays may cause bad breath, staining, or irritation around the gums.

Fortunately, learning how to clean Invisalign aligners properly only takes a few minutes each day. With a simple daily routine and occasional soaking, patients can keep their aligners clear, comfortable, and hygienic throughout treatment.

Dr. Tanner and the team at Visage Orthodontics in Santa Fe help patients understand how proper Invisalign care supports both oral health and treatment results. The following guide explains the best daily habits, soaking methods, and common mistakes to avoid when cleaning Invisalign trays and retainers.

Why Cleaning Your Invisalign Aligners Matters

In short: Aligners sit against your teeth 20 to 22 hours per day, trapping bacteria and saliva in a sealed environment. Without regular cleaning, this leads to cavities, gum irritation, bad breath, and cloudy trays.

Invisalign aligners are designed to be worn about 20 to 22 hours per day. Because they fit tightly over the teeth, they create a sealed environment that can trap saliva, bacteria, and plaque.

If aligners are not cleaned regularly, this buildup can lead to several problems. Bacteria may accumulate on the trays and transfer back to the teeth, increasing the risk of cavities or gum irritation. Saliva residue can also cause aligners to appear cloudy or yellow over time. In some cases, poorly cleaned trays may develop an unpleasant odor.

Clean aligners help preserve one of the main advantages of Invisalign treatment: their nearly invisible appearance. Keeping trays clear makes them less noticeable while maintaining better oral hygiene during orthodontic treatment.

The American Association of Orthodontists also recommends removing aligners for brushing and flossing and following your orthodontist’s care instructions throughout treatment.

Daily Invisalign Cleaning Routine

In short: Brush your aligners with clear antibacterial soap and a soft toothbrush every time you brush your teeth, and rinse them under lukewarm water each time you remove them.

A consistent daily routine is the best way to clean Invisalign aligners and prevent buildup. This process should be repeated every morning and evening when brushing your teeth.

Morning and Evening Cleaning (Every Time You Brush)

Start by removing your aligners before brushing your teeth. Rinse them immediately under lukewarm water to remove saliva and loose debris. Avoid hot water, which can warp the thermoplastic material used to make Invisalign trays.

Next, apply a small amount of clear, unscented antibacterial soap to a soft-bristled toothbrush. Gently brush the entire aligner, including both the inside and outside surfaces. Use light circular motions and avoid aggressive scrubbing, which can scratch the plastic.

After brushing, rinse the aligners thoroughly under lukewarm water. Then brush and floss your teeth before placing the aligners back in your mouth.

This simple brushing routine removes bacteria and helps prevent plaque buildup. For most patients, this daily method remains the best way to clean Invisalign trays throughout treatment.

Quick Rinse After Every Removal

Each time you remove your aligners to eat or drink, rinse them briefly under running water before placing them in their case. This step prevents saliva from drying on the trays, which can lead to odor and residue.

Always store aligners in their protective case when they are not in your mouth. Wrapping them in a napkin or leaving them exposed increases the chance of losing or damaging them.

Developing the habit of rinsing and storing trays properly is a key part of long-term Invisalign care.

Best Soaking Methods for a Deeper Clean

In short: Soak aligners a few times per week in cleaning crystals, denture tablets, a hydrogen peroxide solution, or baking soda dissolved in lukewarm water to remove buildup that brushing alone can miss.

While brushing removes most buildup, soaking aligners a few times per week provides a deeper clean. Soaking helps remove residue that brushing alone may miss.

Cleaning Crystals or Denture Tablets

Invisalign cleaning crystals and many denture cleaning tablets can be used to soak aligners. Dissolve the tablet or crystals in lukewarm water and place the aligners in the solution for about 15 to 20 minutes.

These products are widely available at pharmacies and online. When choosing denture tablets, look for clear or uncolored options because some tablets contain dyes that can stain the trays.

Hydrogen Peroxide Solution

A diluted hydrogen peroxide solution can also be effective for Invisalign cleaning. Mix equal parts hydrogen peroxide and lukewarm water in a small container.

Soak the aligners for 20 to 30 minutes. Hydrogen peroxide helps reduce bacteria and can remove mild staining that develops during regular wear.

Baking Soda Solution

Another option involves dissolving one teaspoon of baking soda in about half to three-quarters of a cup of lukewarm water. Soak the aligners for about 20 to 30 minutes.

Baking soda can help neutralize odors and loosen residue that forms on the trays.

Clear Antibacterial Soap

If other cleaning products are not available, aligners can also soak briefly in lukewarm water mixed with clear antibacterial soap.

Regardless of the soaking method used, always brush and rinse aligners thoroughly before putting them back in your mouth.

What to Avoid When Cleaning Invisalign

In short: Do not use toothpaste, hot water, colored mouthwash, or bleach on your aligners. These products can scratch, warp, stain, or damage the thermoplastic material.

Several common household products can damage Invisalign trays or cause staining. Avoiding these mistakes is an important part of proper aligner care.

Toothpaste should not be used to clean aligners. Most toothpaste contains abrasive particles designed to polish enamel. These particles can scratch the aligner surface, making trays look cloudy and creating small grooves where bacteria collect.

Hot water should also be avoided. Invisalign trays are made from thermoplastic material that can deform when exposed to high temperatures. Even brief exposure to hot water may alter the shape of the tray and affect its fit.

Many patients ask, can you use mouthwash with Invisalign? Colored or alcohol-based mouthwash is not recommended because it can tint the plastic trays or weaken the material over time.

Finally, avoid bleach or harsh chemicals. These substances are unsafe for oral appliances and can damage the aligner material.

How to Remove Stains and Discoloration

In short: Soak stained aligners in hydrogen peroxide or cleaning crystals to restore clarity, and prevent staining by always removing trays before eating or drinking anything other than water.

Minor discoloration can occur if aligners are worn while drinking coffee, tea, wine, or soda. Smoking can also cause yellowing of the trays.

For mild stains, soaking aligners in a hydrogen peroxide solution or cleaning crystals usually restores their clarity. After soaking, gently brush and rinse the trays before reinserting them.

White or chalky buildup sometimes forms on aligners due to calcium deposits in saliva. This type of residue can often be removed by soaking in a denture cleaning tablet solution followed by gentle brushing.

The best prevention strategy is to remove aligners before consuming anything other than water and to follow a consistent cleaning routine. Patients should also remember that aligners are replaced every one to two weeks, so minor discoloration near the end of a wear cycle is common and not typically a hygiene concern.

How to Clean Your Invisalign Case

In short: Rinse the case daily with warm water and clear soap, let it air dry with the lid open, and replace it every few months.

Many patients focus on cleaning their aligners but forget that the storage case can also collect bacteria.

Learning how to clean an Invisalign case is simple. Rinse the case daily with warm water and wash it periodically using clear antibacterial soap. After cleaning, allow the case to air dry with the lid open. A clean case helps keep freshly cleaned aligners sanitary when they are not being worn.

Caring for Your Retainers After Invisalign Treatment

In short: Retainers need the same cleaning routine as aligners: rinse regularly, brush with clear antibacterial soap, and soak periodically. The same precautions about toothpaste, hot water, and colored mouthwash apply.

Once active treatment is complete, most patients transition to retainers to maintain their results. Retainers require the same hygiene habits as aligners.

Patients often ask how to clean Invisalign retainers or what the best way to clean Invisalign retainers might be. The same routine used during treatment applies to retainers as well. Rinse them regularly, brush gently with clear antibacterial soap, and soak them periodically for deeper cleaning.

Consistent cleaning is important to prevent odor, staining, and bacterial buildup.

The same precautions that apply to aligners also apply to retainers. Avoid using toothpaste, hot water, or colored mouthwash, as these can scratch, warp, or stain the retainer material.

Worn or cracked retainers may lose their shape and become less effective at holding teeth in position. Please call our office if there is damage to your retainers. Compromised retainers should be replaced as soon as possible to prevent unwanted tooth movement.  Patients can learn more about long-term orthodontic maintenance in the Life After Invisalign Treatment guide, which explains how retainers help maintain orthodontic results after treatment ends.

Frequently Asked Questions

How often should Invisalign aligners be cleaned?

Invisalign aligners should be cleaned every time a patient brushes their teeth, which typically means at least twice per day. Aligners should also be rinsed whenever they are removed for eating or drinking. This routine helps prevent saliva residue from drying on the trays and reduces bacterial buildup. In addition to daily brushing and rinsing, soaking aligners a few times per week can also help in removing buildup that brushing alone may miss. Maintaining consistent brushing and flossing habits during orthodontic treatment is also recommended by organizations such as the American Dental Association and American Association of Orthodontics.

Can toothpaste be used to clean Invisalign aligners?

Toothpaste is not recommended for cleaning Invisalign aligners. Most toothpaste contains abrasive ingredients that can scratch the plastic surface of the trays. These scratches may cause the aligners to appear cloudy and create areas where bacteria can accumulate. Instead of toothpaste, orthodontists typically recommend brushing aligners with a soft toothbrush and clear antibacterial soap. This method removes bacteria and residue without damaging the aligner material. Using gentle cleaning methods helps preserve the transparency and fit of the trays throughout treatment.

Can mouthwash be used with Invisalign?

Colored or alcohol-based mouthwash should not be used to clean Invisalign aligners. The dyes in many mouthwash products can stain the plastic trays and make them more noticeable when worn. Alcohol in mouthwash may also weaken or distort the aligner material over time. If mouthwash is used for oral hygiene, patients should remove their aligners first and rinse them separately with water. Keeping aligners free from colored liquids helps maintain their clear appearance and prevents discoloration during treatment.

Can denture cleaner be used on Invisalign trays?

Yes. Denture cleaning tablets are a safe option for soaking Invisalign aligners. These tablets dissolve in water and help remove bacteria, plaque residue, and mild staining. When using denture cleaners, patients should choose clear or uncolored products because some tablets contain dyes that may stain aligners. Aligners typically soak for about 15 to 20 minutes before being rinsed and brushed gently. Denture cleaning tablets can be used a few times per week as part of a deeper cleaning routine.

How can Invisalign be cleaned with hydrogen peroxide?

A diluted hydrogen peroxide solution is a common method for disinfecting aligners and removing odor. Patients can mix equal parts hydrogen peroxide and lukewarm water in a container and soak the aligners for about 20 to 30 minutes. After soaking, the trays should be brushed gently with a soft toothbrush and rinsed thoroughly with water before reinserting them. Hydrogen peroxide helps break down bacteria and organic residue that may accumulate during daily wear. This method can be used occasionally as part of a deeper cleaning routine.

Why do Invisalign aligners sometimes smell bad?

Aligners may develop an odor when saliva and bacteria accumulate on the trays. This often happens when aligners are not rinsed after removal or when they are placed in a case without being cleaned. Food particles and plaque can also contribute to unpleasant smells if oral hygiene is inconsistent. Regular brushing, rinsing, and occasional soaking help prevent odor buildup. Keeping both the aligners and the storage case clean is essential for maintaining fresh-smelling trays.

How can white buildup be removed from Invisalign aligners?

White buildup on Invisalign aligners is usually caused by mineral deposits from saliva, often referred to as calcium buildup. This residue can appear chalky or cloudy on the surface of the trays. Soaking the aligners in cleaning crystals or denture cleaning tablets usually helps dissolve these deposits. After soaking, the aligners should be brushed gently and rinsed thoroughly. Maintaining a consistent cleaning routine helps prevent mineral buildup from developing over time.

Do Invisalign retainers need to be cleaned the same way as aligners?

Yes, Invisalign retainers should be cleaned using the same routine as aligners. Retainers collect saliva, bacteria, and plaque in the same way that aligners do. Regular brushing with a soft toothbrush and clear antibacterial soap helps remove daily buildup. Periodic soaking in cleaning crystals or denture tablets can provide a deeper clean. Because retainers are worn long after active treatment ends, consistent cleaning is important for maintaining both oral hygiene and the longevity of the retainer.

Patients who have additional questions about Invisalign treatment, orthodontic care, or scheduling appointments can visit the Visage Orthodontics FAQ page for more information.

Need Help with Invisalign Care?

If you have questions about cleaning your aligners or maintaining them during treatment, Dr. Tanner and the Visage Orthodontics team are happy to help. Proper cleaning habits make Invisalign treatment more comfortable and help keep your aligners clear throughout each stage of wear.

Patients can schedule a free consultation online or call 505-670-6145 to discuss Invisalign treatment or get personalized guidance on aligner care and long-term orthodontic maintenance.