ANSWER:

If you do nails that are long & you give shape to them & beautify them (even for women who would conceal this from non mahram men and while going out) then this is not permissible because its haram to keep long nail.

It is mandatory to cut nails off within 40 days and if they grow long before that time then one MUST cut them off immediately instead of imitating the disbelievers.

QUESTION: Can I work as a nail artist I’ll not use any fake nails I will just clean nails and do nail polish And if they go in front of non mahram with nail polish on their hand will I get sin And if I can’t do on those who don’t cover their hand in front of non mahram Can I do for those who cover their hands