SweetWhite teeth whitening pen contains 35% carbamide peroxide, glycerin, carbomer, propylene glycol, sucralose, peppermint oil trolamine, and other safe whitening ingredients, to easily break down stains on the surface of the teeth, solve the problem of plaque, and tooth stains caused by coffee, smoking, and alcohol. Fast teeth whitening in 7 days! With a compact and portable design, this pen is easy to carry and gives you a total of 30+ whitening treatments. Use it at home, at work, and even on travel. SweetWhite Pen is made in the USA with gentle ingredients for painless, safe, and quick teeth whitening.