I was skeptical, but I tried this recipe, because Bubba's hair was not going well in spots, after I had foolishly cut out some matts a couple yrs ago -
Lowchens of Australia ~ Growing hair on a doorknob!
The best place & price I found to buy the ingredients was
VetAmerica
I think this recipe has worked, but I was also using Vellus Satin Cream
Vellus Satin Cream
I also recommend using Missing Link or at the least Salmon oil like that in DermaPet Eicosaderm -- I've used both, but I think I prefer the Missing Link because of all the other ingredients. The omega oils are important
Eating healthy is a big part of their skin & coat - there is a lot to learn in this area