I also like Chris Christensen and Yorkie Splash and Shine for shampoo/conditioner. To me Yorkie Sheen is the best detangler I have found. And it smells awesome!! Nice for those in between baths. I do give my girls baths once a week. I like a clean smelling Yorkie!
Here is the link for Yorkie Splash and Shine and Yorkie Sheen.
Yorkie Splash and Yorkie Shine | Yorkie Shampoo and Yorkie Conditioner