The note unfolds with an ethereal, almost weightless presence, like the purest breath of air after a cleansing rain, or the cool, crisp atmosphere atop a high mountain peak. Its primary impression is one of immense clarity and expansive transparency, a 'scent of nothingness' that paradoxically defines space. It carries a subtle, translucent coolness, often described as ozonic and lightly aldehydic, without the sharp, waxy facets of traditional aldehydes. There's a delicate, shimmering quality, akin to diffused sunlight through mist, or the subtle metallic sheen on a cloud's edge, yet entirely devoid of harshness. It is incredibly diffusive, creating an immediate, airy envelope around the wearer, with a soft, persistent projection that feels more like an atmospheric shift than a direct perfume trail. As a top-to-heart note, it provides immense lift and a feeling of 'opening' to compositions, slowly dissipating into a clean, almost mineralic whisper that enhances other accords rather than dominating them. Its texture is smooth, utterly frictionless, and impeccably clean.