The sample label says “latest moisturiser”. The test report uses the product name. The production ticket names version 3, but its quantities match version 4. Without a clear history, the team cannot tell which formula the results or instructions concern.

A consistent version reference connects each sample and report to the instructions used to make it. The production record also needs to retain the version selected for that batch when development moves on to another draft.

Decide what belongs to a version

Define whether the version covers composition, phases, processing instructions, or a particular combination. Material specifications, test methods, and other documents may have separate revisions. Record those references where needed rather than expecting one formula number to identify every related document.

FDA’s cosmetic self-inspection checklist includes formulations, processing, transfer, filling instructions, and in-process controls among the manufacturing information to maintain.1

Define who can assign statuses such as development or available for a specified manufacturing use. Production instructions should name the version authorised for the batch.

Explain why a version exists

“Updated” tells the next formulator very little. “Replaced the selected emollient following a sourcing review” identifies the change and its reason. Compare material identities and amounts as well as process instructions; a trade-material replacement may involve a composition change.

Keep abandoned versions and their reasoning too. A failed approach may save someone from repeating the same trial months later.

Attach test results to the sample actually tested

A report on version 2 remains a report on version 2. If a reviewer considers it relevant to version 3, keep that assessment alongside the original result. Do not edit the report’s identity to make the historical test appear to concern the new formula.

The same applies to customer or sensory approval. “The latest cream is approved” should point to a sample and version. The reviewer should record which earlier results still apply and whether further work is needed for the change.

Resolve a mismatch before repeating it

In a fictional pilot, moisturiser F-214 version 3 is selected after a texture review. Version 4 changes the thickener level. The pilot ticket still says version 3, while weighing records correspond to version 4.

The first task is to establish what went into the vessel. Preserve the ticket and weighing records, identify the pilot sample using the available evidence, and document the discrepancy. The reviewer can then decide what the pilot shows; earlier texture observations still belong to the version tested.

For the next run, the production documents need the selected version and its instructions. The team also needs a way to report discrepancies and authorise and record adjustments.

If software supports the process, check a printed or exported ticket after a later formula edit. It should retain the instructions that applied to the batch, including values superseded by the later edit.

Sources

  1. U.S. Food and Drug Administration. Good Manufacturing Practice (GMP) Guidelines/Inspection Checklist for Cosmetics. Relevant sections of the legacy self-inspection checklist. ↩︎