Why can not keep pure white dogs think about the big head

Why pure white dogs can not keep 1. easy to dirty white dogs are very easy to dirty, especially dogs need to walk every day, often go out casually in the grass roll two laps on the dirty, but bathing and can not be too frequent, not wash and affect the beauty, do not go out dogs and easy to depression. The dog’s hair is white, and the dog’s hair is white. Of course, if you are a person who is a cleanliness freak and very hardworking, it is more suitable.