The Red Tincture occupies a commanding position within the depth-psychological reading of alchemy, functioning simultaneously as a technical terminus, a soteriological symbol, and a psychological allegory of individuation’s culminating stage. Across the corpus, from Jung’s systematic exegeses in Psychology and Alchemy and Mysterium Coniunctionis to Abraham’s lexicographical precision and Bosnak’s embodied phenomenology, the term designates the supreme product of the opus alchymicum — the philosopher’s stone at its highest potency, capable of transmuting base metals into gold and, by psychological extension, transforming the imperfect psyche into realized selfhood. The rubedo’s red is never merely chromatic: it signifies blood, passion sublimated into spirit, the coniunctio of sulphur and mercury, the resurrection of the body after the mortificatio. Jung consistently ties the Red Tincture to the Christ parallel — the lapis as filius macrocosmi, whose ‘rosy-red’ blood redeems leprous metals as Christ redeems sinful humanity. Abraham documents the literary resonances in Jonson, Shakespeare, and Donne, establishing the term’s cultural saturation in early modernity. Bosnak reconstructs it through somatic imagination, reading the tincture as concentrated, corrosive life-force acting upon the world. The central tension in the corpus remains whether the Red Tincture is a psychic event (individuation’s telos), a theological symbol (grace, redemption), or an embodied subtle reality — with most authors holding all three in productive suspension.