Professional Teeth Whitening & Stain Removing PenThe Professional Teeth Whitening & Stain Removing Pen is a portable dental care solution designed to help reduce surface stains and improve the appearance of your smile. It uses a brush tip gel formula that targets discoloration caused by coffee, tea, smoking, and food stains, giving teeth a cleaner and brighter look over time. This pen is easy to carry and apply, making it suitable for quick touch ups at home, work, or travel. Most whitening pens use