Cosmetic Affairshttps://cosmeticaffairs.com/An independent journal exploring cosmetic science, ingredients, and the craft of manufacturing.en-USSat, 17 Oct 2026 00:00:00 -0400Why Equipment Maintenance History Mattershttps://cosmeticaffairs.com/blogs/manufacturing/why-equipment-maintenance-history-matters/https://cosmeticaffairs.com/blogs/manufacturing/why-equipment-maintenance-history-matters/Sat, 17 Oct 2026 00:00:00 -0400Explore how maintenance records help cosmetic laboratories assess equipment condition, investigate faults and document a justified return to use.Who Did What and When? Making Lab Records Easy to Reconstructhttps://cosmeticaffairs.com/blogs/manufacturing/who-did-what-and-when-lab-record-traceability/https://cosmeticaffairs.com/blogs/manufacturing/who-did-what-and-when-lab-record-traceability/Sat, 17 Oct 2026 00:00:00 -0400Make cosmetic lab records easier to reconstruct with clear ownership, timestamps, correction history and practical checks for digital traceability systems.Which Formula Did We Actually Make? Managing Cosmetic Formula Versionshttps://cosmeticaffairs.com/blogs/manufacturing/cosmetic-formula-version-management/https://cosmeticaffairs.com/blogs/manufacturing/cosmetic-formula-version-management/Sat, 17 Oct 2026 00:00:00 -0400Keep formula revisions, development samples, test evidence, and manufacturing instructions connected without rewriting earlier product history.When an Ingredient Supplier Changes a Specification: Who Needs to Know?https://cosmeticaffairs.com/blogs/ingredients/ingredient-supplier-specification-change/https://cosmeticaffairs.com/blogs/ingredients/ingredient-supplier-specification-change/Sat, 17 Oct 2026 00:00:00 -0400Route supplier specification changes through purchasing, formulation, quality, safety assessment, and manufacturing with clear evidence and decisions.What a Useful Laboratory Cleaning Log Should Recordhttps://cosmeticaffairs.com/blogs/manufacturing/what-a-useful-laboratory-cleaning-log-should-record/https://cosmeticaffairs.com/blogs/manufacturing/what-a-useful-laboratory-cleaning-log-should-record/Sat, 17 Oct 2026 00:00:00 -0400Build cleaning logs that show what happened, who did the work and how issues were resolved, with practical guidance for cosmetic labs and digital records.Routine Lab Inspections: Turning Findings Into Completed Actionshttps://cosmeticaffairs.com/blogs/manufacturing/routine-lab-inspections-findings-completed-actions/https://cosmeticaffairs.com/blogs/manufacturing/routine-lab-inspections-findings-completed-actions/Sat, 17 Oct 2026 00:00:00 -0400Build laboratory inspection records that connect observations with owners, due dates, corrective work and evidence that each finding has been resolved.PDRN in Skincare: Questions to Ask Before Choosing an Ingredienthttps://cosmeticaffairs.com/blogs/ingredients/pdrn-skincare-ingredient-selection/https://cosmeticaffairs.com/blogs/ingredients/pdrn-skincare-ingredient-selection/Sat, 17 Oct 2026 00:00:00 -0400Evaluate PDRN raw-material identity, supplier specifications, study relevance, intended claims, and formulation questions before selecting an ingredient.MoCRA Safety Substantiation: Organising the Evidence Behind a Cosmetic Producthttps://cosmeticaffairs.com/regulatory/mocra-safety-substantiation-evidence/https://cosmeticaffairs.com/regulatory/mocra-safety-substantiation-evidence/Sat, 17 Oct 2026 00:00:00 -0400Organise the product identity, scientific evidence, assessment reasoning, and change history supporting cosmetic safety substantiation under MoCRA.Google’s 2026 Italy Beauty Trends: Three Signals for Cosmetic Developershttps://cosmeticaffairs.com/news/google-italy-beauty-trends-2026/https://cosmeticaffairs.com/news/google-italy-beauty-trends-2026/Sat, 17 Oct 2026 00:00:00 -0400Turn Google's Italian beauty-search signals on PDRN, Korean skincare, and tinted products into specific cosmetic development questions.EU Fragrance Allergen Labelling After July 2026: What Teams Should Check Nowhttps://cosmeticaffairs.com/regulatory/eu-fragrance-allergen-labelling-after-july-2026/https://cosmeticaffairs.com/regulatory/eu-fragrance-allergen-labelling-after-july-2026/Sat, 17 Oct 2026 00:00:00 -0400Review EU fragrance-allergen calculations, supplier declarations, artwork, and transition evidence after the July 2026 placing-on-the-market deadline.ELN, LIMS or QMS? Choosing Software Around Your Cosmetic Business's Workflowshttps://cosmeticaffairs.com/blogs/manufacturing/eln-lims-qms-cosmetic-workflows/https://cosmeticaffairs.com/blogs/manufacturing/eln-lims-qms-cosmetic-workflows/Sat, 17 Oct 2026 00:00:00 -0400Compare ELN, LIMS, and QMS support through the formulation, testing, equipment, and production handovers your cosmetic business needs.Cosmetic Stability Testing: Planning the Study and Keeping Useful Recordshttps://cosmeticaffairs.com/blogs/cosmetic-chemistry/cosmetic-stability-testing-records/https://cosmeticaffairs.com/blogs/cosmetic-chemistry/cosmetic-stability-testing-records/Sat, 17 Oct 2026 00:00:00 -0400Plan a product-specific cosmetic stability study and connect formula versions, packaging, samples, measurements, deviations, and conclusions.Cosmetic Challenge Testing: What the Results Tell You and How to Document the Decisionhttps://cosmeticaffairs.com/blogs/cosmetic-chemistry/cosmetic-challenge-testing-decisions/https://cosmeticaffairs.com/blogs/cosmetic-chemistry/cosmetic-challenge-testing-decisions/Sat, 17 Oct 2026 00:00:00 -0400Understand the scope of cosmetic challenge testing and connect sample identity, method suitability, report review, and the resulting product decision.Cosmetic Batch Traceability: From Raw Material Lot to Finished Producthttps://cosmeticaffairs.com/blogs/manufacturing/cosmetic-batch-traceability/https://cosmeticaffairs.com/blogs/manufacturing/cosmetic-batch-traceability/Sat, 17 Oct 2026 00:00:00 -0400Connect incoming material lots, actual consumption, bulk batches, filling runs, and finished-product records for practical cosmetic traceability.Before the Next Test: Recording Instrument Readinesshttps://cosmeticaffairs.com/blogs/cosmetic-chemistry/recording-laboratory-instrument-readiness/https://cosmeticaffairs.com/blogs/cosmetic-chemistry/recording-laboratory-instrument-readiness/Sat, 17 Oct 2026 00:00:00 -0400Learn what instrument readiness records should capture, how to handle failed checks, and where software can support reliable cosmetic laboratory work.EU fragrance allergens: the two transition dates.https://cosmeticaffairs.com/regulatory/eu-fragrance-allergen-labeling/https://cosmeticaffairs.com/regulatory/eu-fragrance-allergen-labeling/Wed, 07 Oct 2026 00:02:00 +0000The July 2026 placing-on-market transition has passed. A separate July 2028 date concerns making eligible products available.FDA’s records-access draft puts documentation in focus.https://cosmeticaffairs.com/regulatory/fda-records-access-draft/https://cosmeticaffairs.com/regulatory/fda-records-access-draft/Wed, 07 Oct 2026 00:01:00 +0000A January 2026 draft explains FDA records-access authorities under MoCRA. Its status remains distinct from a final rule.OPSS ingredient-safety call: keep the deadline with the story.https://cosmeticaffairs.com/regulatory/gb-ingredient-safety-data/https://cosmeticaffairs.com/regulatory/gb-ingredient-safety-data/Wed, 07 Oct 2026 00:00:00 +0000The updated call listed June 30, 2026 as its submission deadline. That date has passed; the request is a source for following the assessment process.A better emulsion starts with the interface.https://cosmeticaffairs.com/blogs/cosmetic-chemistry/emulsion-interface/https://cosmeticaffairs.com/blogs/cosmetic-chemistry/emulsion-interface/Tue, 06 Oct 2026 10:00:00 -0400Oil, water, and the space between them. A visual introduction to one of cosmetic chemistry's most useful ideas.From bench to batch: questions worth carrying forward.https://cosmeticaffairs.com/blogs/manufacturing/bench-to-batch/https://cosmeticaffairs.com/blogs/manufacturing/bench-to-batch/Tue, 06 Oct 2026 09:00:00 -0400A promising lab sample is the beginning of a manufacturing conversation. Here is a useful way to organize it.Introducing Cosmetic Affairs: a journal for the curious.https://cosmeticaffairs.com/news/from-the-editor/https://cosmeticaffairs.com/news/from-the-editor/Tue, 06 Oct 2026 08:00:00 -0400A first note from the editorial desk, and a look at the conversations we want to open.In the reading room: start with the primary source.https://cosmeticaffairs.com/news/reading-regulatory-source/https://cosmeticaffairs.com/news/reading-regulatory-source/Tue, 06 Oct 2026 07:00:00 -0400A practical editorial habit for reading a regulatory headline without losing the context.An ingredient list is a starting point, not the whole story.https://cosmeticaffairs.com/blogs/ingredients/ingredient-list/https://cosmeticaffairs.com/blogs/ingredients/ingredient-list/Mon, 05 Oct 2026 09:00:00 -0400Names are useful. Context makes them more useful. A thoughtful approach to reading the back of a cosmetic package.Three questions to carry into your next reading session.https://cosmeticaffairs.com/news/next-on-the-desk/https://cosmeticaffairs.com/news/next-on-the-desk/Mon, 05 Oct 2026 07:00:00 -0400A reading route through formulation notes, manufacturing handoffs, and ingredient claims.How to write a useful texture note.https://cosmeticaffairs.com/blogs/cosmetic-chemistry/texture-notebook/https://cosmeticaffairs.com/blogs/cosmetic-chemistry/texture-notebook/Sat, 03 Oct 2026 09:00:00 -0400Move beyond “rich” and “light” with observations that another reader can understand and discuss.The quiet value of a readable batch record.https://cosmeticaffairs.com/blogs/manufacturing/batch-record/https://cosmeticaffairs.com/blogs/manufacturing/batch-record/Fri, 02 Oct 2026 09:00:00 -0400A batch record is also a communication tool. Structure it so the next person can follow the work.Ask a better question about an ingredient.https://cosmeticaffairs.com/blogs/ingredients/better-ingredient-question/https://cosmeticaffairs.com/blogs/ingredients/better-ingredient-question/Thu, 01 Oct 2026 09:00:00 -0400A small change in the question can turn a broad claim into a more useful investigation.