I use Lapooch shampoo. Works great and smells great
www.lespoochs.com I also have the CC Ice on Ice I like it as a spray on for brushing
www.chrissystems.com I used All Systems coat oil for after bathing while the hair is wet it gives great it of brushing while drying. All Systems is available through
www.yorkie.org
I just bought Cowboy Magic shampoo and I haven't tried it. I also Bought Cowboy Magic detangling Concentrate and it work really good although we don't have many matts here .
www.cowboymagic.com