The essence of 'Corteza' is a profound, dry, and textured woody aroma, reminiscent of the very skin of ancient trees. It presents as a robust, almost tactile scent, evoking the rough, fissured surface of bark. Its initial impression is often one of austere dryness, a parched earthiness that gradually softens to reveal subtle nuances of aged timber, perhaps a whisper of resinous warmth or a faint, almost leathery smokiness. It lacks the greenness of leaves or the sweetness of sap, focusing instead on the structural, protective layer of the tree. Its intensity is typically moderate, offering a grounding presence rather than an overwhelming projection. As a note, it behaves predominantly as a heart or base note, providing a steadfast, long-lasting foundation, anchoring more volatile elements and evolving slowly to a deep, comforting woody dry-down. It can sometimes carry a faint, mineralic dustiness, like sun-baked wood, or a hint of a forest floor after a long dry spell.