From Sahih Bukhari (Hadith 5941):
Narrated Asma':A woman asked the Prophet (ﷺ) saying, "O Allah's Messenger (ﷺ)! My daughter got measles and her hair fell out. Now that I got her married, may I let her use false hair?" He said (to her), "Allah has cursed the lady who lengthens hair artificially and the one who gets her hair lengthened artificially
Reference: Bukhari 5941