Yellowing and surface stains on teeth - My White Secret Teeth Whitening Strips whitening strips 14 Dull or uneven tooth color - My White Secret Teeth Whitening Strips whitening strips 14 Stains from coffee, tea, wine, or smoking - My White Secret Teeth Whitening Strips whitening strips 14 Need for a gentle, peroxide-free whitening option - My White Secret Teeth Whitening Strips whitening strips 14