This is a sample pack of 10 ConCool Cleaning Gel Yellow. Price negotiations are not accepted. Discounts of around the shipping cost are possible only for bulk purchases. ● About Cleaning Gel Soft In addition to fine abrasive particles (coral powder), it contains ingredients that adsorb and remove stains (high-performance silica), making it less likely to damage the tooth surface than conventional products while still effectively removing stains. It also contains hydroxyapatite. [How to Use] When stains become noticeable (about once or twice a week), without wetting your toothbrush, apply an appropriate amount of cleaning gel and carefully brush the stained areas thoroughly.