Teeth Whitening Pen - Whitens Teeth, Effective Whitening Solution 5pcs

Specifications: Material: Liquid Net Content: 4ml Shelf Life: 3 Years Apply Zone: Teeth Effect: Remove Dental Stains, Cleaning Teeth, Fresh And Clean Package Includes: 1/3/5 Pcs * Teeth Whitening Essence How To Use: 1: Cleaning Your Teeth 2: Remove Cap And Gently Twist Dial Form Bottom Until Serum Reaches On Brush 3: Apply A Layer Of The Whitening Serum To Each Tooth Surface, Then Keep Mouth Closed For 20 Mins 4: For Best Results, Repeat Twice Daily For 7 Days, Then Use As Needed For Weekly Touch-Up.