It is narrated from Sayyiduna Abu Umamah (may Allah be pleased with him) that the Prophet (peace and blessings be upon him) said: "Bathing (ghusl) on the day of Jumu'ah draws sins out from the roots of the hair, just as a thing is pulled out."
Hadith Referenceالمعجم الكبير للطبراني / باب الصاد / 7965