A full development cycle — formulation, stability testing, packaging compatibility, and production — typically takes 8–16 weeks depending on manufacturer scale and how quickly samples are approved. Choosing a manufacturer with existing mandelic acid or AHA serum experience can compress timelines by 2–4 weeks. The AJ Cosmo Labs iOS app lets you track every sample milestone in one place.
Read the full guide on private label mandelic acid serum manufacturer low moq →