How to use a Teeth Whitening Pen
The Whitening Pen is a convenient, quick and easy way to whiten your smile. They are great for touch-ups to maintain a bright, white smile in between treatments. Simply paint the visible surfaces of teeth. Made in the USA with top quality gel ingredients of the highest recommended strength. Visit: www.WSDLabsUSA.com
Source: How to use a Teeth Whitening Pen
