Request proof of SCC or SCS membership, ask for a sample safety assessment or certificate of analysis from a prior project, and confirm they have managed third-party stability and challenge testing. For US brands, ask specifically about MoCRA product listing experience. AJ Cosmo Labs profiles include each chemist's stated specializations, certification affiliations, and completed project categories, giving you a structured starting point before committing to a paid engagement.
Read the full guide on Cosmetic chemistry certifications →