https://www.skinsideruk.com/ A publication about the skincare industry rather than about products. How a cosmetic is developed, what the words are permitted to mean, and who profits. en-GB Sat, 15 Aug 2026 07:35:08 +0000 Northbank Media 2026 Northbank Media editorial@skinsideruk.com (Northbank Media) https://www.skinsideruk.com/regulation/who-the-responsible-person-is-and-why-it-matters https://www.skinsideruk.com/regulation/who-the-responsible-person-is-and-why-it-matters Thu, 06 Aug 2026 09:00:00 +0000 Every cosmetic sold in the UK has a named legal entity accountable for its compliance. What they must do, why it is often not the brand, and how to use the i Skin Insider https://www.skinsideruk.com/regulation/what-the-uk-cosmetics-regulation-actually-requires https://www.skinsideruk.com/regulation/what-the-uk-cosmetics-regulation-actually-requires Thu, 06 Aug 2026 09:00:00 +0000 One place to see the entire obligation set: safety assessment, product information file, notification, ingredient restrictions, labelling, GMP, claims and en Skin Insider https://www.skinsideruk.com/regulation/what-happens-when-a-cosmetic-is-recalled https://www.skinsideruk.com/regulation/what-happens-when-a-cosmetic-is-recalled Thu, 06 Aug 2026 09:00:00 +0000 Market surveillance, undesirable effect reporting, withdrawal and recall. How an unsafe cosmetic actually comes off the shelves in the UK, and what triggers Skin Insider https://www.skinsideruk.com/regulation/what-a-cosmetic-product-safety-report-is-and-who-signs-it https://www.skinsideruk.com/regulation/what-a-cosmetic-product-safety-report-is-and-who-signs-it Thu, 06 Aug 2026 09:00:00 +0000 Every cosmetic on sale in the UK must have a safety assessment carried out by a qualified assessor before it is placed on the market. What is in it, who can Skin Insider https://www.skinsideruk.com/regulation/the-line-between-a-cosmetic-and-a-medicine https://www.skinsideruk.com/regulation/the-line-between-a-cosmetic-and-a-medicine Thu, 06 Aug 2026 09:00:00 +0000 A product that treats disease is a medicine and needs a marketing authorisation. A cosmetic cannot claim to. Where the boundary sits, how it is decided, and Skin Insider https://www.skinsideruk.com/regulation https://www.skinsideruk.com/regulation Thu, 06 Aug 2026 09:00:00 +0000 The Cosmetic Product Safety Report and who signs it, the line between a cosmetic and a medicine, who the responsible person is, how a recall actually happens Skin Insider https://www.skinsideruk.com/money/the-economics-of-a-moisturiser-from-formulation-to-shelf https://www.skinsideruk.com/money/the-economics-of-a-moisturiser-from-formulation-to-shelf Thu, 06 Aug 2026 09:00:00 +0000 The price of a jar of cream is built from a stack of costs, most of which have nothing to do with what is inside it. What the stack contains, and why no reli Skin Insider https://www.skinsideruk.com/money/sampling-seeding-and-the-pr-list https://www.skinsideruk.com/money/sampling-seeding-and-the-pr-list Thu, 06 Aug 2026 09:00:00 +0000 Free product is the oldest currency in beauty. How sampling and seeding programmes work, what they are designed to produce, and what the disclosure rules req Skin Insider https://www.skinsideruk.com/money/how-launch-calendars-and-shade-ranges-are-decided https://www.skinsideruk.com/money/how-launch-calendars-and-shade-ranges-are-decided Thu, 06 Aug 2026 09:00:00 +0000 Retail range reviews, seasonal windows and component lead times set the rhythm of the entire industry. What decides when a product appears, and how wide its Skin Insider https://www.skinsideruk.com/money/how-discounting-works-and-what-a-sale-price-signals https://www.skinsideruk.com/money/how-discounting-works-and-what-a-sale-price-signals Thu, 06 Aug 2026 09:00:00 +0000 A price cut can mean six different things, only one of which is generosity. Reference prices, promotional calendars, stock age and the rules on price compari Skin Insider https://www.skinsideruk.com/money/how-affiliate-commission-shapes-what-you-are-shown https://www.skinsideruk.com/money/how-affiliate-commission-shapes-what-you-are-shown Thu, 06 Aug 2026 09:00:00 +0000 Most skincare recommendations you encounter online pay somebody when you buy. What that changes about which products get covered, and what the disclosure rul Skin Insider https://www.skinsideruk.com/money https://www.skinsideruk.com/money Thu, 06 Aug 2026 09:00:00 +0000 Where the price of a jar actually goes, how affiliate commission shapes what you are shown, what seeding is designed to produce, how the retail calendar runs Skin Insider https://www.skinsideruk.com/manufacture/why-so-many-products-are-nearly-identical https://www.skinsideruk.com/manufacture/why-so-many-products-are-nearly-identical Thu, 06 Aug 2026 09:00:00 +0000 Stock bases, semi bespoke formulas and a small pool of raw material suppliers make convergence structural rather than accidental. What that means for how you Skin Insider https://www.skinsideruk.com/manufacture/what-a-minimum-order-quantity-decides https://www.skinsideruk.com/manufacture/what-a-minimum-order-quantity-decides Thu, 06 Aug 2026 09:00:00 +0000 Minimum order quantities set by factories and component suppliers shape the size, the pack, the shade range and the shelf life of the products that reach you Skin Insider https://www.skinsideruk.com/manufacture/what-a-brand-owns-and-what-a-contract-manufacturer-owns https://www.skinsideruk.com/manufacture/what-a-brand-owns-and-what-a-contract-manufacturer-owns Thu, 06 Aug 2026 09:00:00 +0000 The contract between a beauty brand and the factory that makes its products decides more about the product than any marketing decision. What is typically own Skin Insider https://www.skinsideruk.com/manufacture/packaging-decides-more-than-you-think https://www.skinsideruk.com/manufacture/packaging-decides-more-than-you-think Thu, 06 Aug 2026 09:00:00 +0000 The container is not a wrapper. It changes what survives inside it, how much you use, what the product can claim, and how much of the price you pay is not th Skin Insider https://www.skinsideruk.com/manufacture/inside-a-cosmetic-factory-what-good-manufacturing-practice-means https://www.skinsideruk.com/manufacture/inside-a-cosmetic-factory-what-good-manufacturing-practice-means Thu, 06 Aug 2026 09:00:00 +0000 Cosmetic good manufacturing practice is a documented system covering people, premises, equipment, materials and records. What it requires, what it does not, Skin Insider https://www.skinsideruk.com/manufacture https://www.skinsideruk.com/manufacture Thu, 06 Aug 2026 09:00:00 +0000 Who owns the formula, why so many products are built the same way, what a minimum order quantity quietly decides, what good manufacturing practice covers, an Skin Insider https://www.skinsideruk.com/label/what-inci-ordering-does-and-does-not-tell-you https://www.skinsideruk.com/label/what-inci-ordering-does-and-does-not-tell-you Thu, 06 Aug 2026 09:00:00 +0000 The ingredient list is the only compositional information on a cosmetic pack. The ordering rule, the one per cent threshold, and the four things people wrong Skin Insider https://www.skinsideruk.com/label/the-grey-market-and-why-a-discounted-product-may-not-be-what-it-says https://www.skinsideruk.com/label/the-grey-market-and-why-a-discounted-product-may-not-be-what-it-says Thu, 06 Aug 2026 09:00:00 +0000 Parallel imports, diverted stock, unauthorised sellers and counterfeits are four different things sold in the same places. How to tell them apart, and what y Skin Insider https://www.skinsideruk.com/label/period-after-opening-batch-codes-and-dates https://www.skinsideruk.com/label/period-after-opening-batch-codes-and-dates Thu, 06 Aug 2026 09:00:00 +0000 The open jar symbol, the durability date and the batch code do three different jobs. What each one is for, how long products actually last, and why the batch Skin Insider https://www.skinsideruk.com/label/how-to-read-a-cosmetic-label-in-order https://www.skinsideruk.com/label/how-to-read-a-cosmetic-label-in-order Thu, 06 Aug 2026 09:00:00 +0000 A cosmetic pack carries two documents at once: one written to sell and one written to comply. A method for reading the second, in the order that actually tel Skin Insider https://www.skinsideruk.com/label/front-of-pack-versus-back-of-pack https://www.skinsideruk.com/label/front-of-pack-versus-back-of-pack Thu, 06 Aug 2026 09:00:00 +0000 One side of a carton is written by marketing under advertising rules. The other is written by regulatory under labelling rules. Reading them as one document Skin Insider https://www.skinsideruk.com/label https://www.skinsideruk.com/label Thu, 06 Aug 2026 09:00:00 +0000 How to read a pack in the order that yields information, what INCI ordering does and does not tell you, what the dates and codes are for, and how to tell a b Skin Insider https://www.skinsideruk.com/formulation/who-actually-formulates-your-skincare https://www.skinsideruk.com/formulation/who-actually-formulates-your-skincare Thu, 06 Aug 2026 09:00:00 +0000 The person who designs a cosmetic formula is almost never the person whose name is on the jar. Here is who does the work, who owns the result, and why you ca Skin Insider https://www.skinsideruk.com/formulation/what-happens-in-a-stability-test https://www.skinsideruk.com/formulation/what-happens-in-a-stability-test Thu, 06 Aug 2026 09:00:00 +0000 Every cosmetic on sale has been through stability and compatibility testing. What those tests do, what they do not check, and why they shape the product you Skin Insider https://www.skinsideruk.com/formulation/preservation-and-why-a-formula-needs-it https://www.skinsideruk.com/formulation/preservation-and-why-a-formula-needs-it Thu, 06 Aug 2026 09:00:00 +0000 Any cosmetic containing water can grow organisms. How preservation systems are chosen, what the free from claims are doing, and why this is the decision a fo Skin Insider https://www.skinsideruk.com/formulation/how-ingredient-percentages-are-chosen https://www.skinsideruk.com/formulation/how-ingredient-percentages-are-chosen Thu, 06 Aug 2026 09:00:00 +0000 A percentage on a cosmetic pack is a marketing decision as much as a formulation one. What the number is measuring, what it leaves out, and when it is worth Skin Insider https://www.skinsideruk.com/formulation/how-a-brief-becomes-a-formula https://www.skinsideruk.com/formulation/how-a-brief-becomes-a-formula Thu, 06 Aug 2026 09:00:00 +0000 The route from a marketing document to a product on a shelf runs through bench work, pilot batches, scale up and a claims decision. Each stage changes the pr Skin Insider https://www.skinsideruk.com/formulation https://www.skinsideruk.com/formulation Thu, 06 Aug 2026 09:00:00 +0000 How a cosmetic is actually developed: who writes the brief, who chooses the level of an active, what a stability test is protecting, and why the formula that Skin Insider https://www.skinsideruk.com/claims/what-the-asa-actually-does-when-a-claim-is-challenged https://www.skinsideruk.com/claims/what-the-asa-actually-does-when-a-claim-is-challenged Thu, 06 Aug 2026 09:00:00 +0000 The UK advertising regulator works on complaint, assesses overall impression, and publishes its reasoning. What the process is, what it can and cannot do, an Skin Insider https://www.skinsideruk.com/claims/what-clinically-proven-is-allowed-to-mean https://www.skinsideruk.com/claims/what-clinically-proven-is-allowed-to-mean Thu, 06 Aug 2026 09:00:00 +0000 The most persuasive phrase in skincare has no fixed definition. What a clinical study in cosmetics usually is, what the advertising rules require, and the qu Skin Insider https://www.skinsideruk.com/claims/how-natural-clean-and-free-from-claims-work https://www.skinsideruk.com/claims/how-natural-clean-and-free-from-claims-work Thu, 06 Aug 2026 09:00:00 +0000 None of these three words has an agreed legal definition for cosmetics in the UK. What each one is doing, which rules do apply, and what a claim would have t Skin Insider https://www.skinsideruk.com/claims/how-a-claim-is-substantiated-before-it-is-printed https://www.skinsideruk.com/claims/how-a-claim-is-substantiated-before-it-is-printed Thu, 06 Aug 2026 09:00:00 +0000 Behind every objective claim on a cosmetic pack there should be a documented evidence file. What goes into it, who signs it off, and why the weakest link is Skin Insider https://www.skinsideruk.com/claims/dermatologist-recommended-versus-dermatologist-tested https://www.skinsideruk.com/claims/dermatologist-recommended-versus-dermatologist-tested Thu, 06 Aug 2026 09:00:00 +0000 Two phrases that sound interchangeable describe entirely different things. What each one requires, what neither of them means, and how to read them at the sh Skin Insider https://www.skinsideruk.com/claims https://www.skinsideruk.com/claims Thu, 06 Aug 2026 09:00:00 +0000 What clinically proven is permitted to mean, how dermatologist tested differs from dermatologist recommended, how natural and free from claims work legally, Skin Insider