Bleaching teeth: This teeth whitening pen contains a gentle whitening formula that makes it easy to see a noticeable improvement in the colour of your teeth. This teeth whitening pen gently and effectively removes years of stubborn discolouration caused by coffee, wine, tobacco, cola and much more. Gentle formula: this teeth whitening pen contains water, coconut oil, sage oil, lemon extract and sea salt. The ingredients of this teeth whitening pen are safe and healthy, non-toxic, non-peroxidic, do not cause discomfort for the teeth, safe and environmentally friendly, mild and non-irritating, even for sensitive teeth can be used with peace of mind, has a very good effect on teeth whitening. Lightweight and portable: our teeth whitening pen has a lightweight, pen-like design that makes it easy to whiten your teeth on the go, in the office, when travelling or wherever you are. You can put the teeth whitening pen in your pocket and take it out whenever you need it to whiten your teeth with ease and give you a confident smile anytime and anywhere. Easy to use: this teeth whitening pen is easy to use and can be used at home to whiten your teeth without professional instructions. Turn the base of the teeth whitening pen, squeeze out an appropriate amount of gel and apply it evenly to the surface of your teeth. Attention: Do not overdose this teeth whitening pen or use it excessively. Teeth whitening pens can cause irritation when in contact with teeth and gums. If you experience an allergic reaction during use, stop using immediately. Do not swallow this product.