Most private label manufacturers offering a stock phytosterol serum base will accept MOQs of 100–500 units. Custom-formulated serums typically require 500–2,000 units to offset R&D and stability testing costs. On AJ Cosmo Labs, you can filter the manufacturer directory by MOQ to instantly surface partners whose thresholds match your budget and launch stage.
Read the full guide on private label phytosterol serum manufacturer low moq →