Aquatic notes are the family of fresh, transparent scents that suggest water in all its forms, from rain and rivers to dew, pools and sea spray. Almost entirely built from synthetic molecules such as Calone and Helional, they give fragrances a cool, wet, clean feeling and became one of the defining styles of 1990s perfumery.

What do Aquatic notes smell like?

Aquatic notes smell of wetness rather than of any single object. Depending on the materials, they can suggest the watery crunch of cucumber or melon, the sheer, green freshness of lotus or water lily, the clean air after rain or the slightly salty coolness of a sea breeze. Freshwater styles are softer, greener and more floral; marine styles add salt, iodine and mineral notes. Where the Ocean note specifically recreates the sea, and Seaweed brings the shoreline's green brine, the aquatic family is the wider umbrella that includes non-marine waters too.

How perfumers create Aquatic notes

Water has no scent, so aquatic effects are always constructed. The central molecule is Calone, discovered by Pfizer in 1966 and owned as a brand by Firmenich (now dsm-firmenich) since 1980; its detection threshold is extraordinarily low. Helional, patented for IFF in 1958, adds a watery, green-floral and ozonic freshness and is less marine than Calone. Melon-like aldehydes, floralozone, cyclamen aldehyde and dihydromyrcenol extend the palette, while lotus, water lily and cucumber accords give a freshwater feel.

• Also known as: Watery notes, water notes, aquatic accord
• Fragrance family: Aquatic
• Type: Accord (created by the perfumer)
• Key aroma molecules: Calone, Helional, floralozone, dihydromyrcenol

Aquatic notes in perfume history

Calone was used only in traces for years after its discovery, gaining ground in the 1980s before the marine trend took over the following decade. Giorgio Armani's Acqua di Giò (1996), by Alberto Morillas, became one of the most successful aquatic fragrances ever, pairing watery freshness with bergamot, neroli and rosemary.

Aquatic notes in modern perfumery

Aquatic accords remain staples of men's fresh fragrances and summer launches, but they are now used with a lighter touch, blended with mineral, salty and woody materials. Newer molecules offer softer, more natural watery effects, and aquatic notes are also widely used in functional products such as shower gels and detergents.

How Aquatic notes wear and what they pair with

Aquatic notes are strongest in the opening and heart, then fade into a clean, musky trace. They pair with bergamot, lemon, rosemary, lavender, cyclamen, lotus, vetiver and cedar.

Fragrances featuring Aquatic notes

• Giorgio Armani Acqua di Giò (1996)