The Blood that Jesus Christ, who is sinless, shed on the Cross of Calvary was sinless and is 100% sufficient to cleanse mankind of all sin. Jesus allowed Himself to be punished for both our sinfulness and our sins, enabling all those who believe to be free from the penalty of sin, which is death.
(1 John 1:7; Revelation 1:5, 5:9; Colossians 1:20; Romans 3:10-12, 23, 5:9; John 1:29)