Pearl Drops Lasting Flawless White Toothpolish has been developed by our whitening experts to deliver superior stain removal and protection, for a brighter, whiter, healthier smile. combining our most efficient and low abrasion cleaning agents with our patented Stain Prevention Technology, Pearl Drops Flawless Lasting White restores the tooth’s natural surface, smoothing imperfections and improving shine, whilst removing surface stains to deliver outstanding whitening. Teeth Will look visibly whiter after 5 days. continue to use twice daily to keep teeth clean and help lock out new stains.