Numbers 19:2 specifies the unblemished red heifer required for this purification ritual, establishing the sacrifice's qualifications.

Leviticus 14:4 uses the same cedarwood, hyssop, and scarlet yarn for leper cleansing, paralleling the red heifer's purification materials.

Leviticus 14:6 repeats the same materials dipped in blood, echoing the red heifer's ritual use of cedar, hyssop, and scarlet.

Leviticus 14:49 uses the same trio of cedarwood, hyssop, and scarlet for house cleansing, showing a consistent purification pattern.

Psalm 51:7 asks for purification with hyssop, directly alluding to the red heifer's hyssop used for cleansing from impurity.

Hebrews 9:19-23 explicitly connects cedar, hyssop, and scarlet to Christ's purifying blood—a typological fulfillment of the red heifer ritual.