What We Do
We support brands and professionals at every stage of product development, from early concepts to launch-ready cosmetic products.
Concept-to-shelf product developmen
Strategic direction for formulation
Claims, compliance, and lab oversight
Who We Support
From new founders to global teams, we support decision-makers driving product development.
Structure Over Guesswork. Strategy Over Noise.
At Coseer, we help brands make better decisions grounded in science, shaped by strategy, and built to launch with confidence.
“Excellence in cosmetics isn’t luck, it’s engineered.” - Nadia Zarrouk
From Precision Engineering to Cosmetic Excellence
I’m Nadia Zarrouk, a French engineer with a passion for cosmetic science and strategic innovation.
My background spans business strategy, technical craftsmanship at Louis Vuitton, and end-to-end product development at Ingrid Millet, a leading French cosmetic brand.
I co-founded Coseer to help professionals and brands enter the cosmetic space with clarity, confidence, and a methodical approach built for lasting impact.