I've been reading about people's horses permanently loosing hair, skin irritation, etc. But is it as bad as some people say it is? My bay gelding has some sun bleaching on his tail I would LOVE to get rid of. I'd also like to touch up so hairs on his legs. Whose had good results with it, whose had bad results? All input is welcome. Of coarse there is horse dye but you add "horse" to the factor and it instantly becomes outrageously expensive. I bought a bottle of black human hair dye (Revlon Color Silk) for under $3.00! It's ammonia free but read the back and it has a TON of alcohols in it. If I test it out and make sure he isn't allergic is it okay?