01Analysis
1 to 2 monthsTogether we frame your project, your positioning and your market constraints.
- Listening to your project and your goals
- Feasibility study and budget
- Shared specifications
Would you like to create a cosmetics brand that truly reflects you? We formulate, test and manufacture your natural and organic products in France - a single point of contact, from idea to finished product.


























Exclusive formulas, natural or organic, developed from your specifications.
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Stability, safety, PIF and CPNP notification: your range compliant and ready to sell.
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Production and filling in Marans, from small runs to volume, traced end to end.
Discover →From idea to delivered product, one partner steers your entire project.
The same people support you from the first brief to the delivered product: those who formulate your products are the ones who answer you. Nothing needs repeating, decisions are made quickly and nothing gets lost along the way.
Exclusive formulas, tested and compliant with the European market.
Stability and safety testing, product information file (PIF), CPNP notification: we take care of every requirement of the European regulation. You know where your file stands at all times, and your range reaches the market ready to sell.
Production made in France, traceability and ISO 22716 GMP on every batch.
Your products are formulated and manufactured in our laboratory in Marans, Charente-Maritime, following ISO 22716 good manufacturing practices. Every batch is traced, from raw materials to finished product.
Proximity, pedagogy, honesty: we support, we explain, we never oversell. That is what makes our clients come back.





An exclusive formula? We create it with you. Need to launch quickly? That is what our white-label formulas are for: the formulation is already done - all that is left is to add your identity.
See our formulas →From skincare to hair care, from solid to waterless: your range, whatever it may be.
« Ils ont su répondre à toutes nos attentes »
Merci à toute l'équipe Costomise pour leur accompagnement et leurs conseils, malgré un cahier des charges complexe. Hâte de continuer cette aventure !
Agathe VerguinFondatrice de Naidé · Avis Google« Je recommande à 100 % »
Très belle coopération avec Costomise. À l'écoute et disponible. Très bon accompagnement pour mon projet. C'était un plaisir de travailler avec vous.
Stela BiendouCliente Costomise · Avis Google« Très à l'écoute et très pédagogue »
Plus d'un an que l'on travaille avec eux et nous sommes toujours très satisfaits des résultats. Je recommande à 1000 %.
01Together we frame your project, your positioning and your market constraints.
02Natural actives, stability testing, back and forth until the texture is just right.
03Regulatory testing, PIF, CPNP: your range compliant, ready for sale.
04Manufacturing, filling and delivery of your batches.
Tell us about your idea, even at the sketch stage. We will get back to you quickly with initial insights and the next steps.
Start your project