Wudhu

Neatening the eyebrows and tinting the eyelashes

Q:

1) Is it permissible for an unmarried girl to neaten the eyebrows (i.e. remove the stray hairs that are above the eyes and above nose area)?

2) Is it permissible to tint the eyelashes? (Black)

3) Is wudhu valid if someone has dirt or normal food particles (excluding dough) under the nails?

4) Is wudhu valid if after completing wudhu, the residue caused by water discharge from the eyes remain? (Like the discharge around the eyes when one wakes up from a sleep)

5) Is it permissible to use snail cream/ products on one’s body?

6) Is wudhu valid if there is glitter on the wudhu parts that remain even after completing wudhu i.e the glitter that comes on a person from clothing, carpet etc?

7) Can a person read salaah whilst azaan is being called?