**Expiry Date: 10/2025** The smile strong 38% hydrogen peroxide complete bleaching office kit. Characteristics: - Gel ready for use: no need of any preliminary preparation like mixing or syringe to syringe mixing. -Just apply the gel onto the teeth. - Effective in around 20 minute by 1 dental whitening session only. Rarely, the whitening session needs to be repeated. - No need for refrigeration. - Effective on both vital and devitalized teeth. - Performance indication: the colored gel becomes whitish after around 20 minutes of application. - Low dental sensitivity thanks to a pre-built teeth desensitizing agent. - Immediate whitening activation: no need for any lamp. Kit contains: - 2 x 3 ml Syringes of whitening gel. - 1 x 3 ml Syringe of desensitizing gel. - 2 x 3 ml Syringes of 3 ml of Light Curing “the Smile Gum Guard” liquid barrier. - Shade guide of tooth color and instructions for use.