Not sure if it's too late, but I used this on Belle for the tangles in her fur (caused by daddy rubbing her belly...but she likes it apparently).
Groom and Detangle Spray for Dogs 250ml by Groomers | Pets at Home
I also got a comb from pets at home, but it's not on the site, very short comb with serrated edges on the teeth, it's not particularly great as it combs and seems to cut as well, but does salvage most of the hair...I was desperate so I got what I could. We are much better friends now I don't pull
