The Mysweetsmile Teeth Whitening Pen Uses A Precision Brush That'S The Perfect Size For Providing Targeted & Direct Whitening To Crooked Or Crowded Teeth On-The-Go Whitening: Compact And Travel-Friendly, Our Teeth Whitening Pen Features Our Advanced Pap Formula That Effectively Removes Deep-Set Stains For Instant Whitening Results Without Any Sensitivity. Offering Quick On-The-Go Touch-Ups, It Is Ideal For Those With Busy Lifestyles Who Want To Maintain A Bright Smile Anytime, Anywhere Precautions For Use: Keep Out Of Reach Of Children. Avoid Contact With Eyes. Rinse Eyes Immediately And Thoroughly In Case Of Contact With Them. Do Not Swallow. If Any Discomfort Or Irritation Occurs, Discontinue Use Immediately Instructions: To Get Started, Twist The Base Of The Pen A Few Times Until The Gel Dispenses Onto The Brush. Apply A Thin Layer Of The Whitening Gel Onto Your Teeth, Allowing It To Sit For 10 Minutes Before Rinsing Away The Remaining Gel With Water Product Information:The Mysweetsmile Teeth Whitening Pen Uses A Precision Brush That'S The Perfect Size For Providing Targeted &Amp; Direct Whitening To Crooked Or Crowded Teeth,Features:On-The-Go Whitening: Compact And Travel-Friendly, Our Teeth Whitening Pen Features Our Advanced Pap Formula That Effectively Removes Deep-Set Stains For Instant Whitening Results Without Any Sensitivity. Offering Quick On-The-Go Touch-Ups, It Is Ideal For Those With Busy Lifestyles Who Want To Maintain A Bright Smile Anytime, Anywhere,Warning Or Restrictions:Precautions For Use: Keep Out Of Reach Of Children. Avoid Contact With Eyes. Rinse Eyes Immediately And Thoroughly In Case Of Contact With Them. Do Not Swallow. If Any Discomfort Or Irritation Occurs, Discontinue Use Immediately,Product Specification:Ingredients: Aqua, Phthalimidoperoxycaproic Acid, Propylene Glycol, Glycerol, Xanthan Gum, Pvp, Hydroxyapatite, Tetrasodium Pyrophosphate, Sodium Saccharin, Menthol, Mentha Viridis Leaf Oil, Mica, Disodium Edta. Contains: 0% Hydrogen Peroxide,Product Uses:Instructions: To Get Started, Twist The Base Of The Pen A Few Times Until The Gel Dispenses Onto The Brush. Apply A Thin Layer Of The Whitening Gel Onto Your Teeth, Allowing It To Sit For 10 Minutes Before Rinsing Away The Remaining Gel With Water