How to Clean Invisalign Trays (The Right Way)
To clean Invisalign trays properly: rinse with lukewarm water every removal, brush with clear (unscented) soap, and soak in Invisalign cleaning crystals or retainer tablets daily — toothpaste scratches the plastic and creates bacteria-trapping grooves that cause odor and staining.
Keeping your Invisalign trays clean is one of the most important habits during treatment. Dirty trays trap bacteria against your teeth 20+ hours a day, leading to bad breath, staining, and increased cavity risk. Here’s exactly how to clean Invisalign trays — and what to avoid.
The Daily Cleaning Routine
- Rinse trays with lukewarm water every time you remove them. Never use hot water — it can warp the plastic.
- Brush gently with a soft toothbrush. Use a clear, unscented hand soap or Invisalign cleaning foam. Avoid colored toothpaste — it can scratch and stain.
- Rinse thoroughly before reinserting. No soap residue in your mouth.
- Soak once daily. Use Invisalign cleaning crystals or retainer cleaning tablets for a deeper clean. 15–20 minutes is enough.
Can You Use Toothpaste to Clean Invisalign Trays?
Regular toothpaste is not recommended. Most toothpastes contain micro-abrasives that scratch the aligner surface over time, creating tiny grooves where bacteria accumulate and making the trays look cloudy. If you must use toothpaste, choose a non-abrasive, clear gel formula — but dedicated Invisalign cleaner is always the better choice.
What NOT to Do
- Don’t soak in mouthwash — can stain and warp trays (see our guide: Can You Use Mouthwash With Invisalign?)
- Don’t use hot water — warps the plastic permanently
- Don’t leave trays sitting in the open air dry — dry trays become brittle and develop odors faster
- Don’t use abrasive cleaners — scratches harbor bacteria
- Don’t eat or drink (besides water) with trays in — food and sugary drinks get trapped underneath
Best Products for Cleaning Invisalign Trays
- Invisalign Cleaning Crystals — made specifically for aligners, no discoloration risk
- Retainer Brite — popular tablet-based cleaner, works well
- Steraligner — ultrasonic-compatible cleaner
- Mild, clear dish soap — a budget-friendly backup for daily brushing
How to Handle Stubborn Buildup
If you notice a white, crusty buildup on your trays — that’s mineral deposits from saliva. Soak in a 50/50 mix of white vinegar and water for 20 minutes, then brush gently. This is a safe, effective solution that won’t damage the plastic.
Frequently Asked Questions
How often should I clean my Invisalign trays?
At minimum, rinse every time you remove them and do a full clean (brush + soak) once per day. Many patients clean after every meal for maximum freshness.
Why do my trays turn yellow?
Yellow trays usually mean you drank coffee, tea, or colored beverages while wearing them, or used colored mouthwash. Consistent daily cleaning with Invisalign crystals can prevent this — but once stained, trays won’t return to clear.
Can I use a denture cleaner for Invisalign?
Some denture cleaners work, but check that they’re non-bleaching. Bleaching agents can affect the fit and color of your aligners. Stick to cleaners specifically rated for clear aligners when possible.
Invisalign in Lighthouse Point & Miramar, FL
Our Invisalign patients get hygiene coaching at every appointment. Visit our Lighthouse Point office or our Miramar office — serving Pompano Beach, Pembroke Pines, and throughout South Florida.
- Lighthouse Point: (954) 946-8484
- Miramar: (954) 433-4300
Learn more about Invisalign at Sedation Dental Spa.
Sources: American Dental Association — Clear Aligners | Invisalign — Aligner Care Guide
Sources: American Dental Association — Clear Aligners | Invisalign — Aligner Care Guide