Yes. Stability testing is essential before handing your Master Formula Record to a contract manufacturer. Industry standard is accelerated testing at 40°C/75% RH for 12 weeks (extrapolated to a 24-month shelf life) plus freeze-thaw cycling. Without passing results, you risk color migration, phase separation, rancidity, and—more importantly—regulatory exposure. AJ Cosmo Labs connects you with formulators who include stability protocols in their development scope.
Read the full guide on how to find a color cosmetics chemist for lip products →