The Story
Why it exists.
The beginning
Fosforo is the Greek word for light-bearer. Arpa Studios named it after something more specific: the fireworks festival in Kyushu, Japan, known as Hana Bi, where bursts of color and reflections scatter across water at once. The studio draws on the incense tradition associated with that same island, translating it into scent rather than image, and Barnabé Fillion composed the fragrance to capture that suspended second, the flash before it disappears. The bottle is presented as a reliquary, held and considered. The name refers to that single illuminated moment before the darkness reclaims it.
The composition borrows from the Japanese incense tradition without quoting it directly. Petitgrain and saffron give the opening a faintly bitter brightness that reads as cold air on hot metal. Myrrh and iris cool the middle into something almost stone-like, the smoke of a stone, while sage threads through with a green herbal snap. The base turns to hiba wood, with a quiet medicinal bitterness from mugwort carrying the close. The whole thing sits at the border between aromatic and resinous, never landing fully in either. That's the trick. Fosforo doesn't perform its Japanese reference.
The evolution
The opening is the coldest stretch. Saffron cuts through with a dry, almost metallic heat, accompanied by petitgrain's bitter green citrus. It's bracing, not welcoming. Then something in the iris arrives and the temperature shifts. The iris here reads cool and powdery, leaning closer to suede than to root, and it softens the saffron without absorbing it. Myrrh arrives alongside, adding a sticky, candlelit warmth underneath that feels ancient and slightly liturgical. Sage cuts a thin green line through this thickening smoke. Later the hiba wood starts asserting itself, a coniferous note with a dry, resinous character that smells like cedar that's been left out in the cold, plus mugwort's dry herbal bitterness pulling the composition away from any comfort it might have offered. The drydown stabilizes and stays there for a long while, the wood and resin holding each other in a steady grip.
Cultural impact
Fosforo wears like incense but reads like cold weather. It pulls in wearers who want resinous depth without sweetness, and it sits comfortably alongside other incense-leaning compositions that emphasize smoke and mineral restraint. The kind of fragrance that earns respect from people who care about restraint. The incense reference that runs through the whole composition becomes most explicit in the drydown, where the smoke feels like it has weight and the bitter aromatics keep it from going soft.
The House
Arpa StudiosArpa Studios is a Parisian fragrance house founded in 2020 by perfumer Barnabé Fillion. The studio positions itself as a laboratory of sensory exploration, where scents become catalysts for synesthetic experiences rather than mere olfactory products. Fillion, a French native who spent years as a collaborator with Aesop and worked alongside artists such as Anicka Yi, established the house to explore the boundaries where fragrance intersects with other senses. The name derives from the harp, chosen for its associations with subtle vibration and invisible emotion. All seven of Arpa Studios' debut fragrances launched in 2023, spanning compositions named Ferragus, Arco Spettro, Fosforo, Recedere, Hade, Manta, and Matter. The house operates without an in-house perfumer, instead enlisting a network of creative collaborators to shape its olfactory research projects.
The Creator
Barnabé FillionFillion favors natural extracts that retain their original character, often pairing a single flower with an unexpected mineral or resin. He builds his compositions layer by layer, allowing each note to settle before adding the next, a method he likens to developing a photograp…




















