This Review Title is EXPENSIVE & not recommended or white hair and the content is: It is, as others have mentioned, really hard to soften and keep soft once softened, but the biggest gripe is it shaded my white mustache noticeably yellow. It would likely do the same thing for gray hair.<br /><br />Still have two unopened packets, anybody want to buy them?.There are other information for this review, one is This reviewer did purchase it and the other is 0 people think this review is helpful.