Cosmetic Engineering for Skincare
Coseer is a cosmetic engineering consultancy leading skincare product development, from concept to market.
"I created Coseer to set a new standard for skincare product development."
Nadia Zarrouk
Co-Founder & Cosmetic Engineering Consultant
What We Do
Coseer leads the development of skincare products, from early concept definition to formulation oversight, compliance alignment and product readiness.
You can engage Coseer at any stage, for targeted support or for a fully led development process.
Skincare brands and founders building with intention
Skincare & Beauty Brands
Developing new products or expanding existing ranges.
Independent Founders & Entrepreneurs
Turning ideas into structured product development.
Clinics, Spas & Aesthetic Professionals
Developing skincare products aligned with their practice.
Professionals Entering Skincare
Building a product line with clear direction.
Start Where You Are
Coseer provides targeted support at key stages of skincare product development.
01
Feasibility Review
Assess a product concept, its ingredients and its claims for viability.
02
Ingredient Direction
Define the ingredient strategy and formulation direction.
03
Development Brief
Develop a structured brief for laboratory development.
04
Claims & Compliance Review
Define product claims in line with formulation and regulatory requirements.
Full Development
Coseer leads skincare product development in collaboration with partner laboratories, from initial concept through formulation development and final product readiness.
Development is directed by Coseer, while laboratory partners handle formulation, testing and manufacturing.
A Structured Development Approach
01
Define
Set the product direction.
02
Structure
Frame the development.
03
Lead
Guide the product through development.
Why Coseer
A New Standard in Cosmetic Engineering
Coseer brings engineering rigour and maison-trained precision to skincare product development.
Led by Strategic Decisions
Each product is shaped by deliberate decisions, made in sequence, with the founder’s brief held steady throughout.
Tailored to Each Project
Every engagement is scoped to the product, from targeted support to full development leadership.
Insights
Perspectives on skincare product development, formulation direction and industry standards.
Strategy
10th June 2026
A Trend Is Not a Product Brief
How skincare ideas are translated into structured, buildable product decisions, before formulation begins.
Read Article →
Product Development
10th May 2026
Proof Over Promise: How Product Performance Is Really Measured
From claims to consumer trust, performance isn't subjective, it's structured. Discover how cosmetic products are measured, validated and trusted to deliver.
Read Article →
Product Development
10th April 2026
The Hidden Journey of a Skincare Product: From Brief to Shelf
From concept to shelf, skincare isn't made, it's engineered. Every product is the result of hundreds of high-impact decisions.
Read Article →Start Your Project
Bring your product idea into structured development with Coseer.
Start Your Project