Gently brighten your teeth with this easy to use on the go teeth whitening pen, it s the perfect addition to incorporate into your oral beauty routine giving powerful yet gentle precise whitening touch ups. Directions Remove the cap, twist the end of the pen until the whitening serum dispenses. Apply a thin layer of serum onto the teeth. Apply twice a day or as often as required. Do not eat anything for 30 minutes after use. Polished London Teeth Whitening Pen, Clear Plastic Beauty > Makeup Brushes & Tools > Tools & Accessories https://www.prettylittlething.com.au/polished-london-teeth-whitening-pen.html