Teddy has dry skin with flakes I think our fireplace insert is causing his problems but I am using this shampoo Micro-Tek Medicated Shampoo it has work for us right now I am bathing all 3 dogs with it. haven't seem any flakes and he is not stratching anymore, I order mine from valley vet here the link.
Micro-Tek Medicated Shampoo (Pet Supplies - Grooming (Pet) - Shampoos Conditioners - Medicated)