Introduce:(1) dual barrel teeth whitening gel(2)with a mixing tip(3) will mix the gel accordingly when you push it.(4) very convenient to use, no need to mix by hand(5) can be sealed when you do not use, keep long activity of whitening gelAttention :1, For teeth Whitening use.2, Do Not Use The Gel In Case Of Mouth Ulcers, Gum Injury Or After Oral Operations3, Avoid Contact With The Eyes, If Contact Occurs Rinse With Water Immediately4, Do Not Swallow The GelUse instructions :Treatment Guide(step by step) Record the current tooth shade and take photography if possible for your records.1.Apply ve oil to lips before inserting cheek retractor.2.Professionally clean the teeth before any treatment. Insert cotton rolls into each cheek pocket. Dry exposed gum and teeth area.3.Apply gingival dam to protect the gingiva.Remove the protective cap and attach a tip to the barrier. Apply gingival dam onto the gingiva. Do this in sections of 2-3teeth.4.Harden Gingival Dam with Curing Light for 10 seconds on each section.5.Remove cap from whitening gel and attach mixing tip (If you are using whitening liquid& powder kit. Pis mix the whitening liquid&powder to pasty),apply 2-3 mm in depth layer of whitening formula on to the surface of the visible teeth.6.Position the lamp directly over the patient smile zone and press the start button to begin your first cycle.At the end of first cycle retract the lamp head from the smile zone, then remove the first application of whitening gel.Repeat Step 5 and 6 for 2 more cycles.7.At the end of the 3 cycles remove the whitening gel,Gingival DamSpecifications:2.5ML/5MLPackage size: 17 * 6cmPackage list:1 x Teeth Whitening Gel