A realistic development cycle runs 8–16 weeks: roughly 4–6 weeks for formula iteration and internal testing, then 4–8 weeks for accelerated stability and safety documentation. If you want dermatologist-tested or clinically substantiated brightening claims, add another 4–8 weeks for study completion. Starting with a clear brief on AJ Cosmo Labs helps shorten the back-and-forth at the beginning.
Read the full guide on how to find a cosmetic chemist for brightening body wash →