A custom probiotic serum or moisturizer typically requires 8 to 20 weeks from initial brief to final stability-tested formula, depending on the number of iterations, lab capacity, and claim complexity. Formulators you connect with through AJ Cosmo Labs will outline timelines clearly in their project proposals, and milestone-based escrow keeps the project on track for both sides.
Read the full guide on how to find a formulator for probiotic skincare line →