I’m so certain that Perfect Smile will help give you a positive change in your life, that I want to offer you this product at no risk to yourself. If you aren’t completely satisfied within 90 days of your purchase, I’ll give you back every dime of your money. Just return all of your Brush(s), whether they’re still sealed, full, or even completely empty, and I’ll refund your purchase 100%. There’s absolutely no risk to you!