Hair and Nails

Q: Is it permissible to trim short the part of the beard below the lower lip? My hair there comes very curly and irritates me.

Q:

1. Can a woman use razor for removing pubic hair?

2. If a woman removes pubic hair on the 40th day but few tiny hairs are left, then what should I do? Should it be removed on the same day or can she remove them next time?

Q: I am a twenty years old. Since January I have a disease. Now I am recovering. My question is that this disease has caused my hair to turn white before age. I know that it is haraam to pluck white hair and also that one falls in Allah's eyes by doing such deeds. But I have also heard that young muslims can even dye their hair black if they wish. I want to ask that is it permissible to pluck such white hair that are growing before age and are a result of a temporary disease?

Q: I am 18 and I can't grow beard. I have only 5 or 6 hairs on my chin. So should I grow those hairs and live the sunnah or should I wait for a full beard?

Q: Are all these ways (hot wax, cold wax, razer machines, creams) to remove body hairs (legs, hands, face, underarms) permissible for a woman as there is a great misconception among people. Please do elaborate it in detail.

Q: Is it permissible for a Muslim girl to have a haircut when she wears hijab and niqaab? What are the rulings about this? I have heard a Hadith that Hazrat Aaisha (Radiyallahu Anha) used to cut her hair till it reaches her ear lobes. Is it authentic?

Q: Is growing a beard compulsory?

Q: Can a woman remove her hand and leg hairs by waxing or by razer machines or cream?

Q: I have heard that applying mehndi (hena) before eid (on the night of eid) is sunnah and will you get reward for applying it on hands and feet. Is this true according to Islam? If someone don't apply for eid or before eid, are they committing a sin? Will they get punished for it?

Q: Can a male dye his hair red or blue or any other colour besides black?