The "Mane and Tail" shampoo was popular in the USA in the 80's. Everyone used it. I will have to take a look at it again...back then i did not have a hairloss problem.
I change shampoos every few weeks. I will use one then another then another then go back to the first one and so on. My hairstylist said most shampoos leave a build up and its good to change it from time to time. I use Progain shampoo, Vive, J&J Baby shampoo. I will have to try Pantene Pro-V "Full & Thick