Is there a conditioner that will deepen the natural color of your red or brown pet safely? 
Yes there is!
The Copperness Conditioner is especially for red and brown dogs.  Helps rid the coat of dullness by moisturizing and sending the Copperness conditioner deep into cuticles on each hair shaft to bring out the natural color of the coat.  Contains NO dyes! 
It's a naturally soft color conditioner that adds beautiful color lustre to coats and make them easy to work with. It gives outstanding shine, volume and optimises the moisture balance.
It has antistatic and outstanding detangling properties, timesaving with long lasting effect and makes coats dry quickly.
 
Dilutes 40/1