Most contract manufacturers require a finalized, stability-tested formula before they will fill a product. Unless the manufacturer offers in-house formulation services, you need a cosmetic chemist to develop and validate the formula first. The two roles are separate. AJ Cosmo Labs hosts both cosmetic chemists and contract manufacturers, so you can use the iOS app to find a formulator, develop the formula, and then connect with a compatible co-packer — all within the same platform.
Read the full guide on how to find a hair mask formulator for damaged hair →