AlignerFresh Original Clean AlignerFresh Extra Whitening AlignerFresh Spray AlignerFresh Enamel Guard Fluoride Foam OrthoChews OrthoFoam Braces Cleaner Buying Options Add to Cart Buying Options Buying Options Buying Options Buying Options Customer Reviews 4.6 out of 5 stars 7,827 4.5 out of 5 stars 371 4.3 out of 5 stars 1,495 4.8 out of 5 stars 55 4.4 out of 5 stars 441 4.5 out of 5 stars 3,706 Price — no data $29.99$29.99 — no data $25.49$25.49 $6.79$6.79 — no data Best for: Cleaning aligners and retainers, and whitening teeth Cleaning aligners and retainers, and enhanced teeth whitening Cleaning aligners and retainers Cleaning aligners and retainers, and cavity protection Setting aligners and relieving discomfort Cleaning braces, and whitening teeth Type: Foam Foam Spray Foam Medical-grade silicone chews Foam Enhanced Hydrogen Peroxide: ✓ ✓ ✓ ✓ no data ✓ Clinically-proven to whiten: ✓ ✓ ✓ ✓ no data ✓ Kills 99.999% of bacteria: ✓ ✓ ✓ ✓ no data ✓ * Safety first! While our formulas are gentle on your teeth and free of harsh chemicals, you don’t want to swallow more than trace amounts (much like mouthwash or toothpaste). If you use a little too much product, just spit out the excess. You’ll get the hang of finding the perfect amount over time.