My new puppy has white hair on the insides of her back legs. She is still quite young and so hasnt been holding herself up far enough from the ground when she pees yet, and is getting really bad yellow staining on these white hairs. I've been washing her regularly with normal dog shampoo, and on every other occassion also with a whitening shampoo on that area. I've tried 3 different types of whitening shampoo (ones for white with stain removal, not the colour intensifier ones) and recently I also tried a biological washing powder on the area (it is one designed for use as a hand-washing washing liquid, so is OK for sensitive skin and neither me nor her have had any reaction from it). I've also been wiping her hair as often as I can after she has gone outside and using a spray in conditioner in her hair each morning and night to try stop so much wet seeping into the hair. However, we still have yellow trousers. Does anyone have any suggestions as to other things I could try? I've been washing her every other day recently, but am really scared I will wreck her hair by washing her so frequently. The only other things I have tried are talcum powder after she has been outside (but my Mum didnt like the dust in the house) and baby oil instead of conditioner to protect her coat (but my Mum didnt like the grease from that).