Say hello to a brighter, whiter smile with Sanfe Teeth Whitening Strips. Our advanced formula effectively removes stains and discoloration from your teeth, revealing a radiant smile in just a few uses. Each strip is designed to contour to the shape of your teeth, ensuring even coverage and maximum whitening power. Smile with confidence and let your pearly whites shine with Sanfe Teeth Whitening Strips. Leave it for 30 minutes 1 hour, and see all the discoloration fade away. For best results, use 4-5 times per week.