Colgate Optic White Overnight Teeth Whitening Pen, Gentle Teeth Stain Remover to Whiten Teeth,

Enamel safe teeth whitening serum formula designed to minimize tooth sensitivity and removes 15 years of Stains in 1 week, making it a great addition to your teeth whitening products
Easy to use tooth whitening pen features a precision brush to target the surface of each tooth, control the whitening serum applied and minimize irritation and tingling sensation by avoiding contact with gums and soft tissue
Dry your teeth and apply the teeth whitening treatment at night after your regular oral care routine, right before going to bed; use for 1 weeks