A Jew is prohibited from tattooing himself. If a person with tattoos were to convert to Judaism, would they be required to have the tattoos removed?
Would a Jew who got a tattoo and later repented be required to have it removed?
According to this article, Rav Eliyahu Bakshi-Doron (Techumin 22:387) viewed the removal of a tattoo as a meritorious act to avoid remembering a previous sinful life. However, Dayan Weisz (Teshuvot Minchat Yitzchak 3:11) does not (seem to) agree that this is necessary. (This is aside from the opinion of Rav Ephraim Oshry (Teshuvot Mee’ma’makim 4:22) that Holocaust survivors should not remove their tattoos (which may have a unique status).
All citations are found in the linked article. I have not looked up any sources inside.