I think Bryco's nose color is perfect I would never do anything to change or alter the color. I hate that the show world has made it about them selves not their breeding stock. maybe a butterfly nose? try to get a pic.
Sorry Kristi if you just decided to buy an already champion made chi you don't know how or what they did to alter/change or pay for it to become a champion so best bet do it yourself and with one you are happy with. relax and have fun with him

Light pigment in a light dog, same as a dog with ruby eyes are permissible however the preference is for a dog with dark pigment. A dog with a 'winter' nose (a lighter stripe up the middle) is also permissable - the pigment tends to darken in the summer due to the sunlight on it. Seaweed is supposed to help but I don't know how lol

Any enhancement to the coat, extensions, colour, marker, die etc is against KC regs and you could be banned from showing however I don't know of anyone who has been banned

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