What to put in a laboratory cleaning log
A cleaning log should explain the work and any problem left to resolve. Follow a vessel with residue through the record and its follow-up.
2 min read
The journals
Three perspectives on the science and craft of cosmetics.
What to check before using a laboratory instrument
A current service label does not answer today’s readiness question. Check the method, reference materials, readings, and response to a failure.
3 min read
What an equipment maintenance history should explain
When a mixer fault returns, two entries saying “serviced” are not enough. Keep the findings, repairs, checks, and equipment use together.
2 min read
Tracing a cosmetic batch from ingredients to finished stock
Follow two ingredient lots into one bulk batch and two filling runs to see where traceability records commonly lose the connection.
3 min read
Lab inspection findings: from observation to closure
A finding marked “done” may leave the original problem unresolved. Follow one bottle-status issue from inspection to review.
2 min read
How to review a cosmetic challenge-test report
A favourable conclusion is the start of the review. Check what was tested, how the method performed, and whether the formula has changed.
3 min read
How to plan and record a cosmetic stability study
Plan the samples and measurements before storage begins, then follow changes in the formula and its packaging through to the report.
3 min read
ELN, LIMS or QMS: which problem are you trying to solve?
Lost experiments, missing sample results, and unfinished quality reviews need different tools. Start with the problem and test a complete workflow.
3 min read
Choosing a PDRN ingredient for skincare
Two PDRN ingredients added at the same rate may deliver very different amounts. Start with composition, then examine the studies and proposed claim.
3 min read