What does the Bible say about the cleansing value of Christ's blood?

1 John 1:7 proclaims that 'the blood of Jesus Christ his Son cleanseth us from all sin,' highlighting the transformative power of Christ’s sacrifice. This cleansing is not just a one-time act but is ongoing, speaking to the continual effect of Christ's blood in the lives of believers. The apostle emphasizes that through Christ, we regain fellowship with God, which was broken by sin. His mediatory role allows us access to the Father, ensuring that our imperfections are covered by His righteousness, thereby restoring our relationship with God and granting us peace and communion with Him.