An LED-activated gel whitens enamel up to five shades in 30 minutes

Syringes fill mouth trays with carbamide peroxide whitening gel; vitamin E swabs protect gums

Gentle 20-minute procedure can whiten teeth by up to seven shades and produce results that last for up to one year

Specialists apply gel to teeth and activate it with Osram blue LED lights to whiten teeth for up to three years

Venus teeth-whitening treatment works without an activating light, brightening smiles in roughly 60 minutes

Brush-on whitening solution activated by a blue light during 20-minute, FDA-approved procedure

At-home teeth-whitening kit brightens smiles two to five shades with 30% carbamide peroxide during 15- to 30-minute daily treatments

At-home teeth-whitening kit brightens smiles two to five shades with 30% carbamide peroxide during 15- to 30-minute daily treatments

At-home teeth-whitening kit brightens smiles two to five shades with 30% carbamide peroxide during 15- to 30-minute daily treatments

30-minute in-office treatments whiten teeth up to eight shades with light-activated bleaching solution