Our new improved charcoal infused Teeth Whitening Strips contain a peroxide free formulation which contains an activated charcoal. Professional results right from the comfort of your own home. Simply apply the strips for 30 minutes each day and see the results in just 2 weeks... a beautiful whiter and brighter smile! Our specially formulated strips remove stains and discolouration caused by smoking or drinking tea, coffee, sugary drinks, red wine, etc. One kit provides you with a 14-day supply.