At small batch sizes (300–1,000 units), expect to pay roughly $5–$18 per unit depending on retinoid type, encapsulation technology, and packaging. Stability testing adds $500–$2,500 as a one-time project fee. Larger runs of 5,000+ units can bring the per-unit cost down to $1.50–$4. Request itemized quotes through AJ Cosmo Labs to compare real offers.
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