Understanding the material
Biolandes documents a Fucus absolute made from gathered seaweed, with marine, leather and darker leaf-like facets. A seaweed thallus is not a flowering-plant leaf. The perceived saltiness is an association in smell, not a measurement of salt in the fragrance. A marine accord may use other materials and does not necessarily contain seaweed extract.
Compare seaweed with oakmoss and tobacco. Which impressions suggest shore, damp greenery or dry leaf, and where do the categories overlap?
Explore the relationships
Continue with Oakmoss, Tobacco, Vetiver. These connections are comparisons for studying finished fragrances, rather than mixing instructions.
Technical references
Supplier references describe their specific materials. Images are illustrative scent studies and do not certify species, provenance, grade or ingredients in a finished perfume.