Freelance cosmetic chemists typically charge $50–$150 per hour, while project-based fees for a full exosome serum formula — including prototype iterations and stability protocol design — commonly range from $3,000 to $15,000. CDMOs with in-house formulators may require $10,000–$30,000 minimums. Posting a brief on AJ Cosmo Labs is free, letting you collect competitive quotes before committing.
Read the full guide on how to find a cosmetic chemist for exosome skincare →