What is considered a “liquid product” on Amazon FBA, and what extra prep is usually required for shampoo?

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 Amazon FBA, shampoo is typically treated as a liquid because it can leak during parcel sorting, air pressure changes, and temperature swings.
• In practice, anything that can flow (liquid, gel, cream) is handled with stricter prep, so plan your packaging and tests around leakage prevention rather than product category names.
• For shampoo, we usually build in factory-side leak controls: correct cap or pump torque (too loose leaks, too tight cracks threads), an induction seal or inner plug plus a shrink band for tamper evidence, and a polybag/secondary containment to protect other units if one fails.
• We also watch viscosity and fill-temperature windows, because hot-fill or low-viscosity formulas can creep past liners and show up as “mystery leaks” in transit.
• For planning: our typical MOQ is 1,000–3,000 units (simple SKUs like basic packs start lower; complex sets and packaging start higher).
• End-to-end brand projects are commonly 45–60 days, with packaging orders often taking 10–30 working days and bulk production 10–20 working days; key QA gates include packaging checks (~3 days), raw material making (5–7 days) and testing (5 days), then finished filling (~7 days).
• We can support documentation and testing (e.g., COA/SDS and third-party reports) for your Amazon listing needs, without guaranteeing regulatory approval.