What if a room could hold the memory of a forest you once walked through, a rain-darkened shoreline, or the cool silence of an ancient temple?

For French perfumer Barnabé Fillion, fragrance has never been simply about making something smell pleasant. It is a way of giving atmosphere a form. A former photographer with a deep interest in botany, architecture and the natural world, Fillion approaches perfumery almost as a designer might approach space: through texture, light, material and memory.

The result is fragrance that feels less like an accessory to an interior and more like an invisible layer of its architecture.

From Photography to Perfumery

Before fragrance became his medium, Fillion studied visual art and photography. He photographed botanicals at close range, fascinated by their patterns, structures and what he describes as the “architecture of nature.” That visual education never really left him.

Even today, his creative process often begins not with a conventional perfume note, but with an image. For a celebrated “nose”, Monsieur Fillion is remarkably led by the eye.

Fillion has described starting with something blurry in his mind and gradually bringing it into focus as ingredients are introduced. His photography background gave him an archive of colours, details and textures to draw upon, allowing one sense to awaken another.

In other words, he does not simply ask, What should this smell like? He seems to ask, What should this feel like?

L: Barnabé Fillion 

R: Rozu fragrance by Aesop x Barnabé Fillion

When Texture Becomes Scent

This is where synesthesia becomes central to Fillion’s work. He experiences scent through overlapping sensory impressions, particularly colour and texture. He has spoken of wanting fragrance to evoke “texture, volume, and a shape”, almost as though an aroma could be touched.

That instinct allows materials and landscapes to become olfactory ideas.

Stone can become mineral and fossil-like through frankincense. A forest can emerge through cedar, cypress, hinoki and smoky incense. Weathered timber can be suggested through resinous woods, while the sensation of a shoreline might arrive through herbs, sandalwood, spice and something distinctly mineral.

Silently, Hywl perfume by Aesop x Barnabé Fillion

His Aesop fragrance Hwyl, for instance, grew from experiences in Japan. Fillion sought to capture the silence of the forest and a Shinto shrine at Isé, balancing the minerality of a river with incense haze and woods including cedar, cypress and hinoki. Yakushima’s ancient forest provided another layer of inspiration.

This way of working has since found an even broader canvas in Arpa Studios, Fillion’s own multidisciplinary fragrance project and self-described “institute of synesthesia.” Here, perfume enters into conversation with art, music, sculpture and geological landscapes, extending his fascination with how one sensory experience can unlock another. More recently, Sequence 2, Arpa Studios’ second series, has continued this exploration of scent and memory, drawing inspiration from architecture, nature and the idea of spaces as living, evolving forms. Its first three fragrances, Kōsai, Piel and Kapsel, each translate these multisensory ideas through distinct botanical, resinous and textural compositions.

Series 2 perfume by Arpa Studios

Suddenly, perfume begins to resemble landscape design.

Fragrance as Invisible Furniture

Perhaps the most interesting application of Fillion’s philosophy appears inside the home.

While developing Aesop’s aromatic candles, Fillion described spatial scent as “invisible furniture”, something capable of affecting a room through sensual forms without physically occupying it. The intention was subtlety rather than a fragrance that overwhelmed its surroundings.

It is an intriguing proposition for contemporary interiors.

Imagine a dining room composed almost entirely of concrete, glass and restrained furniture. Visually, it may be beautifully resolved, yet still feel slightly austere. Introduce a woody, incense-led fragrance and nothing visible changes. There is no additional chair, artwork or decorative object. Yet emotionally, the room can feel warmer, deeper and more intimate.

Scent softens the architecture without touching it.

Aesop’s aromatic candles

Designing the Memory of a Room

Fillion’s work ultimately reminds us that we experience interiors with far more than our eyes.

A room is the coolness of stone beneath the hand, afternoon light moving across a wall, the sound absorbed by timber, and the faint aroma that remains after someone has left. Fillion’s fragrances often begin with similarly specific places and memories, from Morocco’s Cap Spartel to the ancient cedar forests of Yakushima.

That may be the real beauty of olfactory sculpting. We spend enormous energy deciding how our homes should look, yet scent asks a more intimate question:

How should this space be remembered?

For Barnabé Fillion, fragrance offers an answer that cannot be seen, only experienced.