Hey Vic. I compared the active ingredients in Listerine vs the Walgreens store brand. They are identical.
Eucalyptol (0.092%) , Menthol0.041 , Methyl Salicylate (0.060%) , Thymol (0.064%)
The inactive ingredients are the same as well. Both products are “accepted” by the ADA.
Based on the chemistry, I’m hard pressed to see how your hubby’s dentist says there’s a difference in “strength.”
I’ll dig into this a little more. I also think it would make a great discussion for our podcast. Would you be interested in recording an audio version of your question? All you have to do is record yourself on your smart phone or computer and email it to me at
thebeautybrains@gmail.com.