Sahih Bukhari
Dress
Volume: 007 / Book Number: 072 / Hadith Number: 825
Narrated Ibn 'Umar :
I heard the Prophet saying, (or the Prophet said), "Allah has cursed the lady who practices tattooing and that who gets it done for herself, and also the lady who lengthens hair artificially and that who gets her hair lengthened artificially." The Prophet has cursed such ladies.