Q&A: Tattoos

Answer

It is permissible as long as it does not promote falsehood or involve any other religiously objectionable action. However, it is generally better to avoid such an act altogether.

Answer

Since the tattoos are done under the skin, there is no problem. However, if they are considered zinah (adornment) in common view, she must cover them from non-mahram men.

Answer

If it is merely a colour without forming any physical layer or barrier on the skin, then it is permissible and does not invalidate Wudhu or Ghusl.