Hair and Nails

Lengthening the beard and trimming the moustache

Q: In the Hadith a command is given to lengthen the beard and trim the moustache. I know that it is waajib to lengthen the beard, but what about the moustache? Is shortening the moustache also waajib? If not, then people argue and say that if you say that lengthening the beard is waajib, then trimming the moustache should also be waajib because they in the same Hadith.

Split ends

Q: If a ladies hair is below her navel reaching the knees almost, and the bottom of her hair is dead and has something like split ends, can she trim 3cm or less? In which other circumstance can a women trim hair?