I used to use Pet Effects grooming sprays and some other types of scented sprays on my Golden, not because she smelled bad- I just liked them. Groomers often use them, I got it from a groomer catalog. They never caused any problems and didn't affect her sense of smell. You can also get creme rinses for use when bathing dogs that have a scent that lasts, like Fresh n Clean creme rinse.
Bianca HIC CGC TT (GSD) 4/24/04-10/23/12