I bought two samples of teeth whitening gel. The product is a scam. The company, Natural Source Store, requires that you return the product within 15 days of when they shipped it (yes, when it left their warehouse). So, it took 7 days for it to get to me, so I had one day to try a week's worth of product and then had to ship it back to them so they would get it in 15 days. That didn't happen, and little did I know that by purchasing the samples that I had now signed up to receive two shipments of product each month at $78.95 (almost... read full review »