Opti-Rinse is awesome, and is made in Québec. You can buy direct from Oral Science at their boutique site: https://en.boutique.oralscience.com/collections/opti-rinse/products/x-pur-opti-rinse-plus-0-2-sodium-fluoride-1-litre. That's where I buy mine.
Opti-Rinse is awesome, and is made in Québec. You can buy direct from Oral Science at their boutique site: https://en.boutique.oralscience.com/collections/opti-rinse/products/x-pur-opti-rinse-plus-0-2-sodium-fluoride-1-litre. That's where I buy mine.