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Restricted cervical injection (RCI) isolates the common carotid arteries for separate control of the head, while trunk injection occurs via another site (e.g., femoral). This method enables the embalmer to adjust solution strength, rate of flow, and pressure independently, improving outcomes in challenging cases involving facial edema, trauma, jaundice, or localized discolorations. With RCI, the practitioner can use higher or lower index for the head than for the trunk, employ different coinjectants, and carefully observe distribution signs such as clearing, firming, and cosmetic dye presence without over-treating delicate facial tissues. One-point injection may inadequately distribute to regions with high preservative demand or obstructed vessels. Heart injections and axillary sites have specific indications but offer less precise bilateral control of the head and face. By providing segregation of circuits, RCI improves drainage quality, reduces the risk of swelling, and enhances feature setting and cosmetic presentation—key objectives in both restorative outcome and family satisfaction.