In whom we have redemption; - See this explained in the notes at Ephesians 1:7. The passage here proves that we obtain forgiveness of sins through the blood of Christ; but it does not prove that this is all that we obtain through that blood.
Related Commentaries of Colossians 1:14
Colossians 1:14
14 In whom we have redemption through his blood, even the forgiveness of sins: