Colgate Max White Toothpaste Caused a Canker Sore That Won’t Go Away
I purchased a 50 ml tube of Colgate Max White toothpaste from a BİM store. The packaging says “Maximum Whitening” and “C...rystal Mint Freshness.” Shortly after I started using the toothpaste on July 8, 2026, I developed a canker sore approximately half a centimeter in size inside my mouth, and it is s
