- Power whitening YF with 40 % hydrogen peroxide (mixed 32 %) is suitable for medical whitening of strongly discolored teeth. - Power whitening YF can be used for whitening of one or more teeth or parts of a tooth, including the intracorneal bleaching of endodontically treated non-vital teeth. - Application 3 x 15-20 minutes in one session. - Medical Tooth Whitening: 40  % HP (mixed 32 %). - Kit Contains: - 1 x 2.5 ml power whitening Yf 40% hydrogen peroxide (mixed 32%). - 1 x 1.5 gr gingiva-protector. - 1 x 1.2 ml after whitening mouse. **For further product information, please contact Chat Support**