Please post update pictures when you start the "Hair program" I'm very curious to see if this method will work with other horses besides mine. I'm not a fan on cutting manes, so I can't really give much input there. But if you don't like how it turns out after all the cleaning and careful grooming, maybe cutting it would look nicer to you :)
To the other poster, the buckskins hair looks good. I think the horses mane looks better if it doesnt droop down past the neck. Then again maybe I will be more satisfied with how mines look when I get it looking more fluff and soft but I still think I will end up trimming it a little shorter to where it doesnt ast the neckline.