duoyintl (Unknown best by date)Sp-6 Probiotics Whitening Toothpaste, Sp-6 Ultra Whitening Toothpaste, Fluoride-Free, Fresh Breath Mint Flavor for Oral Health,Enhanced Formula with Enamel-Safe (3) is up for auction in Beauty & Personal Care. The current bid is $6.51, 73% below the $23.89 MSRP, in Good Condition. This auction has ended — similar items appear in live auctions regularly.