Compared across 14 stores. Prices are checked against each store and labelled with when. Store links may earn us a commission. As an Amazon Associate, Deal.ai earns from qualifying purchases.
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The 5X Teeth Whitening Kit pairs an LED light with 18% carbamide peroxide gel, a strength dentists use in-office. It targets coffee, wine, tobacco and soda stains and is marketed as enamel-safe for sensitive teeth. The waterproof design lets you whiten on the go. With over 1,500 ratings averaging 4.7 stars, most buyers report visible results within days, though a minority note gum irritation or slower progress. It competes with other LED kits on gel strength and included refills.
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Lowest price we've seen: $28.00 on Nov 13 at GQ Box. Tracked across 14 stores since Nov 13.
Most buyers see noticeable whitening within a week and find the kit gentle on sensitive teeth. A few report gum irritation or slower results on deep stains.
This teeth whitening kit pairs an 18% CP (carbamide peroxide) whitening gel with a waterproof 5X LED light. The gel is dental-grade and the formula is enamel-safe. The waterproof light makes the kit easy to travel with.
To use it, apply the gel to the mouth trays. Insert the LED light and leave it in for 10 minutes. Then rinse. The kit is used daily for 2 weeks.
