
Recent research shows that the mummies of the Gebelein man and woman have tattoos. These findings conclude that tattooing was practiced during the pre-dynastic period in Egypt.
Two horned animals were identified on the man and four small "S" shaped drawings on the woman.
https://www.elperiodico.com/es/extra/20180302/primeros-tatuajes-5000-anos-egipto-6662039
https://www.ancient.eu/trans/es/2-1000/tatuajes-en-el-antiguo-egipto/
https://es.wikipedia.org/wiki/Momias_predinásticas_de_Gebelein