We lead skincare product development.
A New Standard in Skincare Product Development
Coseer was created to bring authority and structure to skincare product development.
We define products with precision, lead development with direction and ensure decisions remain aligned throughout.
Coseer represents a more disciplined and controlled way of developing skincare products.
"I created Coseer to set a new standard for skincare product development."
Nadia Zarrouk
Co-Founder & Cosmetic Engineering Consultant
Founded by Nadia Zarrouk
Nadia Zarrouk leads Coseer as a cosmetic engineering consultant focused on skincare product development.
Her experience spans luxury and cosmetic industries, including Louis Vuitton and the cosmetics sector.
She defines product direction, leads development and guides the decisions that shape each skincare product.

Our Role
Coseer leads skincare product development from concept through to market readiness.
We operate at the centre of each project, guiding direction, structuring development and ensuring decisions remain consistent.
Coseer leads product definition and development as one unified process.
Leading the Next Era of Cosmetic Engineering
We are redefining how skincare products are defined and developed.
We lead a shift toward a more structured, controlled and decision-led approach to product development.
We set a new level of rigour in how skincare products are created and brought to market.
Start Your Project
Bring your product idea into structured development with Coseer.
Start Your Project