Thank you for sharing that the LED light did not last as long as it should. Our products are put through extensive quality checks to provide you with the best teeth whitening experience. The LED light from our Crest Whitening Emulsions Gel Kit is designed to last the duration of the kit, and we would not expect this. We'd like to learn more, and if you would like to share please feel free to give us a call at (800) 395-8423 (9:00AM-6:00PM EST). -The Crest Team

We understand the frustration in finding an almost-empty tube in your package, Cedric, and we assure you we want to help resolve this, as this is not typical and not the impression we want to leave with you. Our Crest Emulsions Kits undergo many thorough checks during manufacturing to meet the requirement, so we're not sure why this happened. We sincerely apologize for this mishap, Cedric, and you're welcome to use the Crest Money Back Guarantee to help with your purchase. You can find the information on the package or on our Crest website. If you need more help with this or have a chance to follow up on your case, please call us at 1-800-492-7378, M-F, 9 am to 6 pm EST.

We're sorry to hear that you didn't get the brilliant results you expected, Gabriel. All of our Whitening kits are clinically tested by our Quality Assurance Team to provide a better smile for you. We'd love to make this up to you, so please give us a call at (800) 448-6200 when you have time.

Our goal is to leave your smile brighter, so we're disappointed to hear this. If you aren't in love with your results at the end of your kit, please reach out to us at (800) 566-7252, and we'll get more information to best help.

We're sorry to hear our Whitening Emulsions did not provide the whitening experience you had anticipated. Our products go through many quality checks to ensure they provide the experience you'd expect, so we will share this with our Quality team. With this product, it may help to completely dry your teeth before applying the whitening gel, and letting it air dry as much as possible after application. Whitening results can vary by each individual's whitening needs, but are typically noticeable after just a few uses. To learn more about our Money-Back Guarantee, please give us a call at 1(800) 395-8423.

You should certainly see the brilliant results of your Whitestrips after the full kit was used, Nicole. Our Quality Assurance team takes many steps to make sure of this when used as directed.

Thank you for sharing your experience with us. Our products are put through many quality checks to provide you with the best teeth whitening experience. How white your teeth become can vary depending on where your starting point is. We'd like to learn more about your experience, and would appreciate you giving u a call at (800) 566-7252. -The Oral-B Team