In-office whitening system that can be used with or without a bleaching light|Unique 37.5% hydrogen peroxide formula ensures fast release of the peroxide ions to begin the bleaching process|Unique built-in desensitizing properties that inhibits post-operative sensitivity|Neutral pH ensures maximum comfort during and after treatment|No mixing necessary; dual barrel syringe system mixes as you apply the gel directly to the tooth, which ensures a consistent blend of freshly activated gel