Oral Hygiene and Preventive Care Mentadent Advance Whitening Refreshing Mint Bonus Pack Free Base & 2 Refills 5.25 OZ Review Posted on May 17, 2018October 26, 2018Author CannonBlossom Bonus Pack – 2 Refills + Free Base Whiter Teeth in 7 Days Baking Soda & Peroxide More Anti cavity fluoride. Cleans, freshens, protects. The product is manufactured in United States.