We're sorry to hear you're disappointed in the brushing experience you had with the Crest 3D White Ultra Whitening Toothpaste. Our toothpastes go through extensive safety checks to ensure they're safe to use as directed. Based on what you've shared, we encourage you to discontinue use of the toothpaste. We genuinely hope your teeth are feeling better soon. We're interested in learning more about your experience, as we actually haven't changed the product or packaging of this toothpaste. So we can learn more, and help you further, please give us a call at 1(800) 492-7378.

We appreciate feedback such as this, and we'll be sure to share this with our team. We're sorry to hear that you've been having this experience, as we can assure you that our toothpastes go through many quality checks to ensure that you can enjoy using them with ease. As well, a lot of thought goes into creating features that we think you'd like, though we do understand that preferences can vary from person to person. We'd be happy to learn more, so please know that you're always welcome to give us a call at (800) 492-7378. We're here to help.