Hair and Nails

Q:

1. A 67 year old widowed woman dyes her grey hair. Is this permissible?

2. In general, is it permissible for woman to dye their grey hair?

Q: Can you apply beef gelatine on your face as a hair remover and then peel it off?

Q: Is it sunnah to apply mehndi on the beard?

Q: I have to ask that I have a lot of hair near my back private part and I fear if I will shave them, they will grow more and more so I reduce them with the help of a scissor. Is that the right thing to do or will I have to shave them? Can I use some hair removing cream to get rid of my pubic hair?

Q: Is it allowed for men to remove the hair on the chest as mines is quite a lot?

Q: If a person throws clipped nails into thick grass where the nails aren't visible, is this considered suitable and the same as burying them? Or should they be buried in a hole in the ground?

Q: I'm a 40 year old woman and I have pimples on my head and I have long hair so I can't take care of it properly. Can I cut my hair or is it a sin if I cut?

Q: I want to ask that if I dye my hair using ordinary dying agents available in the market, would it be an obstacle for my wudhu? Moreover, is it permissible to use dye in black colour?

Q: After a hair cut from the barber shop do we need to wash our head and then enter the home?

Q: Can hair and nails be cut at night?