Here are the key of our gel pen: Ingredient Options: Our gel pen contains high-quality whitening ingredients, including 0.-35% hydrogen peroxide, 0.1-44% carbamide peroxide, 0-20% PAP, and non-per (customizable based on your preferences). መግለጫ: - ብዕር ምቹ በሆነ የ 2 ሜል መጠን ይመጣል, ፒ ...