I have some Quic Black shampoo that I used once on her tail a couple years ago but didn't realize it would turn my hands (and her butt) purple lol...so got that all over the place and rinsed it out pretty fast, didn't wait for the recommended 10 mins. Has anyone used that stuff on manes and/or forelocks? There aren't harsh chemicals so I am interested in using it, but it's SO hard to keep anything dark off the light coat of a buckskin, esp. In the mane area...anyone have any suggestions??