whitefoam on-the-go clear retainer cleaner for aligners, dentures, clearcorrect, essix, & hawley trays/aligners. cleans, kills bacteria, whitens teeth & fights bad breath (50ml - 2 pack) eversmile eversmile whitefoam is an oral care breakthrough for cleaning clear aligners and clear retainers. whitefoam is worn throughout the day and works by using hydrogen peroxide to not only clean and kill odor-causing bacteria but also to whiten teeth under and over attachments. ideal for patients with aligner funk arising from wearing aligners 22 hours per day that also want whiter teeth. compatible with invisalign.