The cause of Plummer-Vinson syndrome is unknown; however, genetic factors and nutritional deficiencies may play a role. Women are at higher risk than men.
(This will also rejuvenate the coat and help balance your dogâs skin pH levels.) For a shiny, healthy coat mix 1 cup of vinegar with 2-4 cups of water and use as a final rinse. Spray vinegar full-strength on your dogâs coat to normalize the pH balance of its skin. (This is one of my personal favorites!
Vinegar is acidic in nature as it is a solution of acetic acid. Theexact pH of vinegar depends upon how much acid is present, but mostcommercial distilled white vinegars contaâ¦in 5-10% acetic acid andhave a pH roughly around 2.40 - 3.40 . The textbook pH of vinegar is 2.5.