Stock-base private label programs can reach finished goods in 4–8 weeks once artwork is approved. Custom formula development adds 8–16 additional weeks for cosmetic chemist formulation, stability testing, and regulatory review. Accelerated stability testing alone typically runs 8–12 weeks. AJ Cosmo Labs helps you find manufacturers who are transparent about their lead times upfront.
Read the full guide on private label hair gloss treatment manufacturer low moq →