The Prophet ﷺ said, "Whoever performs Hajj to this Kaʿba and does not approach his wife for sexual relations nor commit sins (while performing Hajj), he will come out as sinless as a newborn child, (just delivered by his mother).  

قَالَ النَّبِيُّ ﷺ مَنْ حَجَّ هَذَا الْبَيْتَ فَلَمْ يَرْفُثْ وَلَمْ يَفْسُقْ رَجَعَ كَيَوْمِ وَلَدَتْهُ أُمُّهُ