How many sample rounds are normal for a niacinamide or peptide serum before mass production?

Typically 2-3 rounds for niacinamide/peptide serum, with 3-4 weeks per round including stability testing.

US buyer view Launch planning Updated: January 28, 2026

Best for

US brand owners, Amazon/FBA sellers, distributors, and private label buyers

Core intent

Who submits, what data is needed, and how to plan timelines before production

Quick Answer (for busy buyers)

Here’s the buyer-first summary. If your brand name is on the label, you usually act as the responsible person and must ensure the listing is submitted and kept current.

For niacinamide or peptide serums, we usually recommend 2-3 sample rounds before mass production.
Each round takes 3-4 weeks, including stability testing at 45°C for 4 weeks.
Our MOQ for serum is 5,000 units, with packaging compatibility checks in round 1.
We provide COA and stability reports after round 2.
Final approval requires matching viscosity (±5%) and pH (±0.2) to your spec.
Lead time after approval is 6-8 weeks for production.

Buyer outcome

A launch-ready compliance plan: inputs collected, roles assigned, and update cadence defined.

Most common blocker

Missing facility information + inconsistent ingredient/label snapshots across SKUs.

⚠️

This page is a practical buyer guide. For definitive requirements and updates, use FDA resources and qualified regulatory counsel.