Opalescence Boost is a 40% hydrogen peroxide power bleaching gel, Opalescence Boost whitening offers brighter, whiter teeth in about one hour in the dental chair. This professional treatment is administered from start to finish in the dental chair. Opalescence Boost offers the strongest concentration of the 3 bleaching options. The cost for this treatment is $450. It is recommended that patients retouch their bleaching every 6 months using either custom bleach trays or Opalescence Go trays. This will help maintain your beautiful white smile.