Crystal you are correct. Dr. Carmichael told me in my follow up visit that Petzlife is 40 proof. I have stopped using it.
I bought these two products (recommended from another thread, where they too went to a B.Cert Dental Vet ~ while I wait to for his toothpaste
Mini Toothbrush
C.E.T. Mini-Toothbrush - Trusted Pet Pharmacy
MaxiGuard - has no alcohol in it
MAXIGUARD Oral Cleansing Gel - Trusted Pet Pharmacy