Revelation 8:3-4

And another angel came, and stood over the altar, having a golden censer; and there was given to him much incense, that he might add it to the prayers of all the saints upon the golden altar which was before the throne.

Hebrews 9:14

how much more shall the blood of Christ, Who through the Eternal Spirit offered Himself without blemish to God, cleanse your conscience from dead works to serve the living God?

1 John 1:7

but, if we walk in the light, as He is in the light, we have fellowship with One another, and the blood of Jesus His Son cleanses us from all sin.

Treasury of Scripture Knowledge

Summary

And he shall take a censer full of burning coals of fire from off the altar before the LORD, and his hands full of sweet incense beaten small, and bring it within the vail:

Sweet incense

Bible References

From off

Hebrews 9:14
how much more shall the blood of Christ, Who through the Eternal Spirit offered Himself without blemish to God, cleanse your conscience from dead works to serve the living God?
1 John 1:7
but, if we walk in the light, as He is in the light, we have fellowship with One another, and the blood of Jesus His Son cleanses us from all sin.

Sweet incense

Revelation 8:3
And another angel came, and stood over the altar, having a golden censer; and there was given to him much incense, that he might add it to the prayers of all the saints upon the golden altar which was before the throne.