Sonia Constant is a French perfumer and entrepreneur. She is a senior perfumer at Givaudan and the co-founder of the fragrance brand Ella K, launched in 2017. She has created or co-created fragrances for brands including Tom Ford, Narciso Rodriguez, Jean Paul Gaultier, Mugler, Lancôme and Jimmy Choo.
Biography
Sonia Constant developed an interest in perfumery at an early age.[citation needed] She later studied perfumery at Givaudan Perfumery School after completing a master's degree at ISIPCA. Following an internship, Constant joined the Swiss fragrance company Givaudan. Early in her career there, she was mentored by perfumer Christine Nagel. She has worked at Givaudan as a perfumer since 2004, creating fragrances for markets including Europe, Brazil, the United States and the Middle East. In 2017, she founded the perfume brand, Ella K.
The olfactory encyclopedia Fragrantica lists 208 fragrances to her credit. Her work has been associated with the use of musks and with contrasts between intensity and transparency. Ombre Leather and Noir Extrême for Tom Ford, Musc K for Ella K, Angel Nova for Thierry Mugler, PureMusc for Narciso Rodriguez have been cited as some of her representative creations.
Her style is particularly characterized by the use of musks and contrasts between intensity and transparency. Constant has described travel as an important source of inspiration for her work. During her travels, she has used scent-capture technology to record the olfactory impressions of places, plants and flowers. On her travels, she carries a unique technology that captures the olfactory imprint of a place or a flower.
Selected creations
Ombre Leather, Tom Ford
Noir Extrême, Tom Ford
Musc K, Ella K
For Her Pure Musc, Narciso Rodriguez
For Her Intense, Narciso Rodriguez
For Her Pure Musc Blanc, Narciso Rodriguez
For Her Musc Noir Rose, Narciso Rodriguez
Inter Parfums, Moonlight Patchouli Le Parfum
Inter Parfums, Rose d’Isparta
Viola Essenziale, Salvatore Ferragamo
Fragrances created in collaboration
I Want Choo, Jimmy Choo
Daisy Wild, Marc Jacobs
Angel Nova, Thierry Mugler
La Belle, Jean Paul Gaultier
Le Beau, Jean Paul Gaultier
Idole, Lancôme
1 Million Parfum, Paco Rabanne
Donna, Valentino
Eau Fresh, Eternity
She also has done work for the following brands:
Carolina Herrera
Armani - Ocean di Gioia (2020)
Ralph Lauren
Nina Ricci - Bella (2018)
Balmain
Montblanc
Burberry - Brit for Men Summer (2012)
Van Cleef & Arpels - Moonlight Patchouli (2016)
Guerlain
Kenzo - L’Eau 2 Kenzo pour Homme (2012)
Calvin Klein - Eternity Eau Fresh (2020)
Boss
Boucheron - Rose d’Isparta (2020)
Lanvin
Cartier
Rochas
Ferragamo
Viktor&Rolf - Magic Dancing Roses (2017)
Ella K
In 2017, Constant co-founded the niche fragrance brand Ella K with Olivier Gagliardi. The brand is built around a fictional character inspired by the Swiss explorer Ella Maillart, with its fragrances presented as travel-inspired olfactory narratives.
She has been described as the first female master perfumer to found her own fragrance house. In 2025, Ella K, which operates in partnership with Givaudan, reported growth of more than 70% and continued its international expansion.
Recognition
Constant has received awards for several of her fragrance creations. In a profile published by the fashion supplement of the Italian newspaper La Repubblica, she was described as "one of the most talented perfumers of her generation".