Review title is Turned my hair dull brown/gray [SEP] This does NOT work if you have well water. Everything I read said that this would just be a conditioning treatment but this turned my hair a dingy brownish gray. It was awful! Having read more online about cassia treatments, I've learned that you cannot use this with well water or water buildup. This should be on the packaging in LARGE PRINT.<br />I guess it should work fine if you've done a clarifying treatment recently and you're using distilled water, but who would think to do all that?? Probably smarter people than I. Well, you've been warned.