https://www.samplesource.com/ -I don’t have much info about this site, but they claim to currently have samples available for: Colgate Total® Advanced Whitening Toothpaste, TUMS® Freshers™ – Spearmint, TUMS® Chewy Delights™ – Very Cherry, and Colgate Total® Advanced Mouthwash. Register and answer their survey questions to get it.