Oral-B Glide Pro-Health Floss helps remove plaque between teeth and just below the gum line. The silky-smooth, shred-resistant texture slides more easily in tight spaces vs. regular floss. Gently stimulates gums and helps prevent gingivitis as part of a complete dental plan. This floss is unflavored. Satisfaction Guaranteed, or your money back. For guarantee, call 1-877-769-8791 within 60 days of purchase with UPC and receipt.