Neutral Sodium Fluoride Rinse - SPEARMINT, 64oz (1.9 Liter) Bottle. Ideal for patients with cosmetic restorations or intolerance to acidic fluoride. Provides the perfect non-acidic balance allowing patients to tolerate and accept fluoride treatments with comfort. Gluten-free. Dye-free for patients with allergies to dyes or who have undergone whitening procedures. 2-minute application time. Made in the USA.