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This was an e-mail I sent to one of my friends. 
Thought I'd share it.
I use Isle of dogs shampoo and conditioner on my 
dogs.  http://www.iodogsga.com/
 For brushing I use Miracle Coat and I use a little
Fantastic anti-static spray for show days.
Just because your shampoo has a lot of suds 
doesn't mean it's a good shampoo.  I'm a 
hairdresser, so I know a lot about hair.  Suds 
leave a residue on the shaft and cuts down on 
the shine. 
These are the products I use and I don't sell them 
either... :)))
The ph is very important.  People are 5.5 ph
which is much more acidic than dogs which 
are 7.0.  Using shampoo that's less than 7.0,
which is alkaline, can cause the hair to dry
out and look fried over a period of time.
Something to watch out for in conditioners
is, if they have any wax in them.  Lots of
people and dog products use wax as a base.
This is what makes the hair "FEEL"
better, but does absolutely nothing for the
hair except coat the hair shaft with wax.
Under a microscope, hair looks just like the 
scales of a fish, so lets use a fish for an example. 
When the scales are laying down, the fish looks 
shinny and feels smooth.  When the scales are 
sticking up, the fish looks dull.  If you were to 
pour a coat of wax over the fish with the scales 
sticking up, he would feel smoother again, but
actually you'd still have damage underneath the 
wax that can cause the hair to break.
A good conditioner will get under the scales
and help them to lay down and then the hair 
will be smoother, shinier and most of all be 
healthier and stronger. 

It won't happen overnight so don't think that 
one use will tell the tale like the wax
conditioners.  It's a gradual healing
process of the shaft.