{"id":36940,"date":"2026-11-04T20:08:47","date_gmt":"2026-11-04T19:08:47","guid":{"rendered":"https:\/\/www.certifiedcosmetics.com\/blog\/okategoriserad\/faststallande-av-hallbarhetstid-for-kosmetika\/"},"modified":"2026-11-04T20:08:47","modified_gmt":"2026-11-04T19:08:47","slug":"faststallande-av-hallbarhetstid-for-kosmetika","status":"publish","type":"post","link":"https:\/\/www.certifiedcosmetics.com\/sv\/blog\/laboratorieundersokningar\/faststallande-av-hallbarhetstid-for-kosmetika\/","title":{"rendered":"Fastst\u00e4llande av h\u00e5llbarhetstid f\u00f6r kosmetika"},"content":{"rendered":"<p><img decoding=\"async\" class=\"wp-image-19557 alignright\" src=\"https:\/\/www.certifiedcosmetics.com\/wp-content\/uploads\/2026\/07\/shelf-life-640x640.jpg\" alt=\"\" width=\"324\" height=\"324\" srcset=\"https:\/\/www.certifiedcosmetics.com\/wp-content\/uploads\/2026\/07\/shelf-life-640x640.jpg 640w, https:\/\/www.certifiedcosmetics.com\/wp-content\/uploads\/2026\/07\/shelf-life-160x160.jpg 160w, https:\/\/www.certifiedcosmetics.com\/wp-content\/uploads\/2026\/07\/shelf-life-768x768.jpg 768w, https:\/\/www.certifiedcosmetics.com\/wp-content\/uploads\/2026\/07\/shelf-life-320x320.jpg 320w, https:\/\/www.certifiedcosmetics.com\/wp-content\/uploads\/2026\/07\/shelf-life-400x400.jpg 400w, https:\/\/www.certifiedcosmetics.com\/wp-content\/uploads\/2026\/07\/shelf-life-300x300.jpg 300w, https:\/\/www.certifiedcosmetics.com\/wp-content\/uploads\/2026\/07\/shelf-life-600x600.jpg 600w, https:\/\/www.certifiedcosmetics.com\/wp-content\/uploads\/2026\/07\/shelf-life-100x100.jpg 100w, https:\/\/www.certifiedcosmetics.com\/wp-content\/uploads\/2026\/07\/shelf-life-60x60.jpg 60w, https:\/\/www.certifiedcosmetics.com\/wp-content\/uploads\/2026\/07\/shelf-life-110x110.jpg 110w, https:\/\/www.certifiedcosmetics.com\/wp-content\/uploads\/2026\/07\/shelf-life.jpg 800w\" sizes=\"(max-width: 324px) 100vw, 324px\" \/>Alla kosmetiska produkter f\u00f6r\u00e4ndras med tiden. Ingredienserna kan gradvis brytas ned, dofterna kan f\u00f6rlora sin ursprungliga karakt\u00e4r, f\u00e4rgerna kan blekna och konserveringsmedlen kan f\u00f6rlora sin verkan. Att fastst\u00e4lla en produkts h\u00e5llbarhetstid \u00e4r d\u00e4rf\u00f6r en viktig del av utvecklingen av kosmetiska produkter, vilket hj\u00e4lper tillverkarna att s\u00e4kerst\u00e4lla att produkterna f\u00f6rblir s\u00e4kra, stabila och fungerar som avsett under hela sin avsedda livsl\u00e4ngd.<\/p>\n<p>Inom Europeiska unionen fastst\u00e4lls h\u00e5llbarhetstiden inte godtyckligt. Den ska st\u00f6djas av vetenskapliga bevis som framkommit under produktutvecklingen, s\u00e4rskilt genom stabilitetsstudier och, i f\u00f6rekommande fall, mikrobiologiska tester. Dessa utv\u00e4rderingar ing\u00e5r i den <a href=\"https:\/\/www.certifiedcosmetics.com\/sv\/product\/sakerhetsbedomning-av-kosmetiska-produkter\/sakerhetsbedomning-av-kosmetiska-produkter-oljebaserade-och-vattenfria\/\">s\u00e4kerhetsbed\u00f6mning<\/a> som g\u00f6rs innan en kosmetisk produkt sl\u00e4pps ut p\u00e5 marknaden enligt f\u00f6rordning (EG) nr 1223\/2009.<\/p>\n<h2>Vad \u00e4r h\u00e5llbarhetstid?<\/h2>\n<p>H\u00e5llbarhetstiden avser den tidsperiod under vilken en kosmetisk produkt f\u00f6rblir s\u00e4ker och beh\u00e5ller sin f\u00f6rv\u00e4ntade kvalitet n\u00e4r den f\u00f6rvaras under l\u00e4mpliga f\u00f6rh\u00e5llanden innan den \u00f6ppnas av konsumenten.<\/p>\n<p>Under denna period b\u00f6r produkten fortsatt uppfylla specifikationerna avseende utseende, lukt, konsistens, pH-v\u00e4rde, viskositet, ingrediensernas stabilitet, mikrobiologisk kvalitet och f\u00f6rpackningskompatibilitet. Om n\u00e5gon av dessa egenskaper f\u00f6rs\u00e4mras avsev\u00e4rt kan produkten inte l\u00e4ngre vara l\u00e4mplig f\u00f6r anv\u00e4ndning.<\/p>\n<p><strong>Det \u00e4r viktigt att skilja mellan h\u00e5llbarhetstid och anv\u00e4ndningstid efter \u00f6ppnande (PAO)<\/strong>. H\u00e5llbarhetstiden avser en o\u00f6ppnad produkt som f\u00f6rvaras p\u00e5 r\u00e4tt s\u00e4tt, medan PAO anger hur l\u00e4nge produkten i allm\u00e4nhet kan anv\u00e4ndas p\u00e5 ett s\u00e4kert s\u00e4tt efter att den har \u00f6ppnats f\u00f6r f\u00f6rsta g\u00e5ngen.<\/p>\n<h2>Varf\u00f6r h\u00e5llbarhetstiden \u00e4r viktig<\/h2>\n<p>En realistisk h\u00e5llbarhetstid bidrar till att skydda b\u00e5de konsumenter och tillverkare. Produkter som ligger kvar i butikshyllorna i m\u00e5nader eller \u00e5r m\u00e5ste forts\u00e4tta att fungera som f\u00f6rv\u00e4ntat n\u00e4r de k\u00f6ps och anv\u00e4nds.<\/p>\n<p>En felaktig h\u00e5llbarhetstid kan leda till flera problem, bland annat f\u00f6rs\u00e4mrad produktprestanda, f\u00f6r\u00e4ndringar i utseende, lukt eller konsistens, f\u00f6rlust av konserveringsmedlets verkan, mikrobiologisk kontaminering, klagom\u00e5l fr\u00e5n konsumenter och produktreturer samt \u00f6kade reglerings- och aff\u00e4rsrisker.<\/p>\n<p>Av dessa sk\u00e4l \u00e4r fastst\u00e4llandet av h\u00e5llbarhetstiden en viktig del av produktutvecklingsprocessen, snarare \u00e4n enbart en fr\u00e5ga om m\u00e4rkning.<\/p>\n<h2>Kr\u00e4vs det en h\u00e5llbarhetstid enligt EU:s kosmetikf\u00f6rordning?<\/h2>\n<p>F\u00f6rordning (EG) nr 1223\/2009 kr\u00e4ver att kosmetiska produkter som sl\u00e4pps ut p\u00e5 EU-marknaden ska vara s\u00e4kra under normala och rimligt f\u00f6rutsebara anv\u00e4ndningsf\u00f6rh\u00e5llanden. \u00c4ven om f\u00f6rordningen inte f\u00f6reskriver n\u00e5gon enskild testmetod eller fastst\u00e4lld h\u00e5llbarhetstid m\u00e5ste tillverkarna ha tillr\u00e4ckliga bevis som styrker produktens stabilitet och s\u00e4kerhet.<\/p>\n<p>I s\u00e4kerhetsrapporten f\u00f6r kosmetiska produkter (CPSR) beaktas \u00e4ven tillg\u00e4nglig stabilitetsinformation vid bed\u00f6mningen av om produkten f\u00f6rblir s\u00e4ker under lagring och anv\u00e4ndning.<\/p>\n<p>Om en kosmetisk produkt har en h\u00e5llbarhetstid p\u00e5 mindre \u00e4n 30 m\u00e5nader m\u00e5ste etiketten ange ett \u201db\u00e4st f\u00f6re\u201d-datum.<\/p>\n<p>Om produkten f\u00f6rblir stabil i mer \u00e4n 30 m\u00e5nader ers\u00e4tts b\u00e4st f\u00f6re-datumet vanligtvis med symbolen \u201dPeriod After Opening\u201d (PAO), som anger hur l\u00e4nge produkten normalt kan anv\u00e4ndas efter att den har \u00f6ppnats f\u00f6r f\u00f6rsta g\u00e5ngen.<\/p>\n<h2>Hur fastst\u00e4lls h\u00e5llbarhetstiden?<\/h2>\n<p>H\u00e5llbarhetstiden fastst\u00e4lls genom en kombination av vetenskapliga tester och tekniska bed\u00f6mningar, snarare \u00e4n genom att f\u00f6rlita sig p\u00e5 en enda laboratoriem\u00e4tning.<\/p>\n<p>Tillverkarna utv\u00e4rderar vanligtvis produkten genom<a href=\"https:\/\/www.certifiedcosmetics.com\/sv\/product\/laboratorium\/stabilitets-och-kompatibilitetstest\/\"> stabilitetsstudier<\/a> som genomf\u00f6rs under olika f\u00f6rvaringsf\u00f6rh\u00e5llanden. I dessa studier f\u00f6ljs de fysiska, kemiska och mikrobiologiska egenskaperna upp \u00f6ver tid.<\/p>\n<p>De insamlade uppgifterna g\u00f6r det m\u00f6jligt f\u00f6r experter att bed\u00f6ma hur produkten kommer att bete sig under transport, lagring, distribution till detaljhandeln och vid anv\u00e4ndning av konsumenten.<\/p>\n<p>Flera faktorer beaktas, bland annat:<\/p>\n<ul>\n<li>Fysikalisk stabilitet.<\/li>\n<li>Kemisk stabilitet.<\/li>\n<li>Mikrobiologisk kvalitet.<\/li>\n<li>F\u00f6rpackningens kompatibilitet.<\/li>\n<li>Avsedda f\u00f6rvaringsf\u00f6rh\u00e5llanden.<\/li>\n<li>Produktformulering.<\/li>\n<\/ul>\n<p>Tillsammans ger dessa utv\u00e4rderingar den bevisning som beh\u00f6vs f\u00f6r att motivera en l\u00e4mplig h\u00e5llbarhetstid.<\/p>\n<p>Stabilitetsprovning utg\u00f6r grunden f\u00f6r fastst\u00e4llandet av h\u00e5llbarhetstiden.<\/p>\n<p>Vid accelererade tester anv\u00e4nds f\u00f6rh\u00f6jda temperaturer f\u00f6r att snabbare kunna f\u00f6ruts\u00e4ga l\u00e5ngsiktig stabilitet, medan studier i realtid inneb\u00e4r att produkterna observeras under normala lagringsf\u00f6rh\u00e5llanden under l\u00e4ngre tidsperioder.<\/p>\n<p>Genom att anv\u00e4nda b\u00e5da metoderna f\u00e5r man st\u00f6rre tillf\u00f6rlitlighet n\u00e4r det g\u00e4ller den f\u00f6reslagna h\u00e5llbarhetstiden.<\/p>\n<h2>F\u00f6rpackningen spelar en viktig roll<\/h2>\n<p>H\u00e5llbarhetstiden beror inte bara p\u00e5 sj\u00e4lva sammans\u00e4ttningen utan ocks\u00e5 p\u00e5 vilken f\u00f6rpackning som v\u00e4ljs.<\/p>\n<p>F\u00f6rpackningarna m\u00e5ste p\u00e5 ett adekvat s\u00e4tt skydda produkten mot yttre p\u00e5verkan s\u00e5som syre, fukt, ljus och mikrobiell kontaminering. Vissa ingredienser kan dessutom med tiden reagera med plast, bel\u00e4ggningar, pumpar eller t\u00e4tningar.<\/p>\n<p>Studier av f\u00f6rpackningarnas kompatibilitet bidrar till att identifiera potentiella problem s\u00e5som missf\u00e4rgning, l\u00e4ckage, avdunstning, deformation eller migration mellan f\u00f6rpackningen och den kosmetiska formuleringen.<\/p>\n<p>Av denna anledning kan en \u00e4ndring av f\u00f6rpackningen kr\u00e4va ytterligare stabilitetsunders\u00f6kningar, \u00e4ven om sammans\u00e4ttningen f\u00f6rblir of\u00f6r\u00e4ndrad.<\/p>\n<h2>Faktorer som p\u00e5verkar h\u00e5llbarhetstiden<\/h2>\n<p>Det finns ingen universell h\u00e5llbarhetstid f\u00f6r kosmetiska produkter. Varje produkt uppf\u00f6r sig olika beroende p\u00e5 dess ingredienser och avsedda anv\u00e4ndning.<\/p>\n<p>Flera faktorer p\u00e5verkar produktens h\u00e5llbarhet, d\u00e4ribland vattenhalten, vilken typ av emulsioner som anv\u00e4nds, konserveringsmedel, antioxidanter, pH-v\u00e4rdet, exponering f\u00f6r syre, tillverkningskvaliteten, lagringstemperaturen, f\u00f6rpackningens utformning samt de aktiva ingrediensernas stabilitet.<\/p>\n<p>Produkter som inneh\u00e5ller instabila naturliga extrakt, vitaminer eller v\u00e4xtbaserade ingredienser kan kr\u00e4va en mer omfattande utv\u00e4rdering \u00e4n beredningar som best\u00e5r av mycket stabila ingredienser.<\/p>\n<h2>Typisk h\u00e5llbarhetstid f\u00f6r kosmetiska produkter<\/h2>\n<p>M\u00e5nga kosmetiska produkter som sl\u00e4pps ut p\u00e5 den europeiska marknaden har en h\u00e5llbarhetstid p\u00e5 mellan tv\u00e5 och tre \u00e5r i o\u00f6ppnat skick, f\u00f6rutsatt att de f\u00f6rvaras p\u00e5 r\u00e4tt s\u00e4tt. Detta b\u00f6r dock inte tolkas som ett lagstadgat krav.<\/p>\n<p>Vissa produkter kan uppvisa utm\u00e4rkt stabilitet \u00e4ven efter denna period, medan andra \u2013 s\u00e4rskilt beredningar som inneh\u00e5ller instabila aktiva substanser eller minimala m\u00e4ngder konserveringsmedel \u2013 kan kr\u00e4va en kortare h\u00e5llbarhetstid som styrks av testdata.<\/p>\n<p><strong>Varje produkt b\u00f6r d\u00e4rf\u00f6r utv\u00e4rderas individuellt<\/strong>, i st\u00e4llet f\u00f6r att man utg\u00e5r fr\u00e5n generella branschantaganden.<\/p>\n<h2>Vad h\u00e4nder om stabilitetsproblem uppt\u00e4cks?<\/h2>\n<p>H\u00e5llbarhetsstudier avsl\u00f6jar ibland ov\u00e4ntade brister i formuleringen.<\/p>\n<p>Vanliga fynd \u00e4r bland annat att emulsioner skiljer sig \u00e5t, f\u00f6r\u00e4ndringar i viskositet, f\u00e4rginstabilitet, nedbrytning av doft\u00e4mnen, pH-f\u00f6rskjutning, mikrobiell tillv\u00e4xt eller of\u00f6renlighet med f\u00f6rpackningen.<\/p>\n<p>N\u00e4r detta intr\u00e4ffar \u00e4ndrar tillverkarna ofta produktens sammans\u00e4ttning, f\u00f6rb\u00e4ttrar konserveringssystemet, \u00e4ndrar f\u00f6rpackningen eller justerar rekommendationerna f\u00f6r f\u00f6rvaring innan de genomf\u00f6r de n\u00f6dv\u00e4ndiga testerna p\u00e5 nytt.<\/p>\n<p>Att uppt\u00e4cka dessa problem under utvecklingsfasen \u00e4r betydligt billigare \u00e4n att uppt\u00e4cka dem efter den kommersiella lanseringen.<\/p>\n<h2>H\u00e5llbarhetstid och produktm\u00e4rkning<\/h2>\n<p>Den fastst\u00e4llda h\u00e5llbarhetstiden p\u00e5verkar direkt den information som l\u00e4mnas till konsumenterna.<\/p>\n<p>Produkter med en h\u00e5llbarhetstid p\u00e5 h\u00f6gst 30 m\u00e5nader m\u00e5ste f\u00f6rses med ett \u201dB\u00e4st f\u00f6re\u201d-datum.<\/p>\n<p>Produkter som \u00e4r \u00e4ldre \u00e4n 30 m\u00e5nader \u00e4r i regel m\u00e4rkta med symbolen <a href=\"https:\/\/www.certifiedcosmetics.com\/blog\/cosmetic-product-labelling\/what-is-period-after-opening-pao\/\">\u201dH\u00e5llbarhetstid efter \u00f6ppnande\u201d<\/a> ist\u00e4llet, vilket anger den rekommenderade tiden f\u00f6r s\u00e4ker anv\u00e4ndning efter att produkten har \u00f6ppnats.<\/p>\n<p>Den angivna h\u00e5llbarhetstiden ska alltid styrkas av l\u00e4mplig teknisk dokumentation som tillverkaren eller den ansvarige f\u00f6rvaltar som en del av <a href=\"https:\/\/www.certifiedcosmetics.com\/blog\/pif-documentation\/what-is-cosmetic-product-information-file-pif\/\">produktinformationsdokumentationen (PIF).<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Alla kosmetiska produkter f\u00f6r\u00e4ndras med tiden. Ingredienserna kan gradvis brytas ned, dofterna kan f\u00f6rlora sin ursprungliga karakt\u00e4r, f\u00e4rgerna kan blekna och konserveringsmedlen kan f\u00f6rlora sin verkan. Att fastst\u00e4lla en produkts h\u00e5llbarhetstid \u00e4r d\u00e4rf\u00f6r en viktig del av utvecklingen av kosmetiska produkter, vilket hj\u00e4lper tillverkarna att s\u00e4kerst\u00e4lla att produkterna f\u00f6rblir s\u00e4kra, stabila och fungerar som avsett&#8230;<\/p>\n","protected":false},"author":294,"featured_media":36942,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4164],"tags":[],"class_list":["post-36940","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-laboratorieundersokningar"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v25.4 (Yoast SEO v27.7) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Fastst\u00e4llande av h\u00e5llbarhetstid f\u00f6r kosmetika - Certified Cosmetics<\/title>\n<meta name=\"description\" content=\"L\u00e4r dig hur h\u00e5llbarhetstiden fastst\u00e4lls f\u00f6r kosmetika inom EU, inklusive stabilitetstester, mikrobiologisk utv\u00e4rdering, m\u00e4rkningskrav och v\u00e4gledning fr\u00e5n tillsynsmyndigheterna.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.certifiedcosmetics.com\/sv\/blog\/laboratorieundersokningar\/faststallande-av-hallbarhetstid-for-kosmetika\/\" \/>\n<meta property=\"og:locale\" content=\"sv_SE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Fastst\u00e4llande av h\u00e5llbarhetstid f\u00f6r kosmetika\" \/>\n<meta property=\"og:description\" content=\"L\u00e4r dig hur h\u00e5llbarhetstiden fastst\u00e4lls f\u00f6r kosmetika inom EU, inklusive stabilitetstester, mikrobiologisk utv\u00e4rdering, m\u00e4rkningskrav och v\u00e4gledning fr\u00e5n tillsynsmyndigheterna.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.certifiedcosmetics.com\/sv\/blog\/laboratorieundersokningar\/faststallande-av-hallbarhetstid-for-kosmetika\/\" \/>\n<meta property=\"og:site_name\" content=\"Certified Cosmetics\" \/>\n<meta property=\"article:published_time\" content=\"2026-11-04T19:08:47+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.certifiedcosmetics.com\/wp-content\/uploads\/2026\/07\/shelf-life.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"800\" \/>\n\t<meta property=\"og:image:height\" content=\"800\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Angela\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Skriven av\" \/>\n\t<meta name=\"twitter:data1\" content=\"Angela\" \/>\n\t<meta name=\"twitter:label2\" content=\"Ber\u00e4knad l\u00e4stid\" \/>\n\t<meta name=\"twitter:data2\" content=\"6 minuter\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.certifiedcosmetics.com\\\/sv\\\/blog\\\/laboratorieundersokningar\\\/faststallande-av-hallbarhetstid-for-kosmetika\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.certifiedcosmetics.com\\\/sv\\\/blog\\\/laboratorieundersokningar\\\/faststallande-av-hallbarhetstid-for-kosmetika\\\/\"},\"author\":{\"name\":\"Angela\",\"@id\":\"https:\\\/\\\/www.certifiedcosmetics.com\\\/sv\\\/#\\\/schema\\\/person\\\/2620f9d56cb0c867784edb68de06746c\"},\"headline\":\"Fastst\u00e4llande av h\u00e5llbarhetstid f\u00f6r kosmetika\",\"datePublished\":\"2026-11-04T19:08:47+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.certifiedcosmetics.com\\\/sv\\\/blog\\\/laboratorieundersokningar\\\/faststallande-av-hallbarhetstid-for-kosmetika\\\/\"},\"wordCount\":1303,\"publisher\":{\"@id\":\"https:\\\/\\\/www.certifiedcosmetics.com\\\/sv\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.certifiedcosmetics.com\\\/sv\\\/blog\\\/laboratorieundersokningar\\\/faststallande-av-hallbarhetstid-for-kosmetika\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.certifiedcosmetics.com\\\/wp-content\\\/uploads\\\/2026\\\/07\\\/shelf-life.jpg\",\"articleSection\":[\"Laboratorieunders\u00f6kningar\"],\"inLanguage\":\"sv-SE\",\"copyrightYear\":\"2026\",\"copyrightHolder\":{\"@id\":\"https:\\\/\\\/www.certifiedcosmetics.com\\\/#organization\"}},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.certifiedcosmetics.com\\\/sv\\\/blog\\\/laboratorieundersokningar\\\/faststallande-av-hallbarhetstid-for-kosmetika\\\/\",\"url\":\"https:\\\/\\\/www.certifiedcosmetics.com\\\/sv\\\/blog\\\/laboratorieundersokningar\\\/faststallande-av-hallbarhetstid-for-kosmetika\\\/\",\"name\":\"Fastst\u00e4llande av h\u00e5llbarhetstid f\u00f6r kosmetika - 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