dentaviva Nano Hydroxyapatite & Alpha-Hydroxy Acid Ampoule Toothpaste – Advanced Enamel Repair & Gentle Whitening, 5X More Effective Remineralization, pH Balancing, Cavity Prevention is up for auction in Beauty & Personal Care. The current bid is $0.53, 98% below the $26.99 MSRP, in New/Like New condition. This auction has ended — similar items appear in live auctions regularly.