My Favorite is Chris Christensen.
I Love the Day to Day but the Rep. told me the Spectrum Ten is
best for Yorkies, so I bought that, also.
They sell $10.00 Trial Kits:
Shampoo Systems Kits Sample Sizes for Pet Grooming, Show Dogs & Cats
You can also get the kits on Amazon.com
Not sure which has less shipping?
Amazon.com: chris christensen
and, I just got an email today that their holiday scents are back:
Chris Christensen Specials & Promotions