Enamel-safe, suitable for sensitive teethUsing colour correcting technology, purple tooth gel to whiten teeth and effectively remove yellow stainsUsing 3 layers dry gel process, high-viscosity type, sticks firmly close to teeth, non-slip and remove easilyCan whitens teeth up to 6 shades over 14 daysHow To Use:1. Make sure with dry hands and dry teeth2. Apply the whitening strip along the gumline 3. Tear off the strips after 30 minutes, rinse or brush your teeth to remove residual gel