{"id":36639,"date":"2026-10-24T09:25:53","date_gmt":"2026-10-24T08:25:53","guid":{"rendered":"https:\/\/www.certifiedcosmetics.com\/blog\/okategoriserad\/stabilitetstestning-i-realtid-vad-ar-skillnaden\/"},"modified":"2026-10-24T09:25:53","modified_gmt":"2026-10-24T08:25:53","slug":"stabilitetstestning-i-realtid-vad-ar-skillnaden","status":"publish","type":"post","link":"https:\/\/www.certifiedcosmetics.com\/sv\/blog\/laboratorieundersokningar\/stabilitetstestning-i-realtid-vad-ar-skillnaden\/","title":{"rendered":"Stabilitetstestning i realtid: Vad \u00e4r skillnaden?"},"content":{"rendered":"<p class=\"PDq2pG_selectionAnchorContainer\" data-start=\"53\" data-end=\"284\"><img decoding=\"async\" class=\"wp-image-20289 alignright\" src=\"https:\/\/www.certifiedcosmetics.com\/wp-content\/uploads\/2026\/07\/natural-stability-640x640.jpg\" alt=\"\" width=\"292\" height=\"292\" srcset=\"https:\/\/www.certifiedcosmetics.com\/wp-content\/uploads\/2026\/07\/natural-stability-640x640.jpg 640w, https:\/\/www.certifiedcosmetics.com\/wp-content\/uploads\/2026\/07\/natural-stability-160x160.jpg 160w, https:\/\/www.certifiedcosmetics.com\/wp-content\/uploads\/2026\/07\/natural-stability-768x768.jpg 768w, https:\/\/www.certifiedcosmetics.com\/wp-content\/uploads\/2026\/07\/natural-stability-320x320.jpg 320w, https:\/\/www.certifiedcosmetics.com\/wp-content\/uploads\/2026\/07\/natural-stability-400x400.jpg 400w, https:\/\/www.certifiedcosmetics.com\/wp-content\/uploads\/2026\/07\/natural-stability-300x300.jpg 300w, https:\/\/www.certifiedcosmetics.com\/wp-content\/uploads\/2026\/07\/natural-stability-600x600.jpg 600w, https:\/\/www.certifiedcosmetics.com\/wp-content\/uploads\/2026\/07\/natural-stability-100x100.jpg 100w, https:\/\/www.certifiedcosmetics.com\/wp-content\/uploads\/2026\/07\/natural-stability-60x60.jpg 60w, https:\/\/www.certifiedcosmetics.com\/wp-content\/uploads\/2026\/07\/natural-stability-110x110.jpg 110w, https:\/\/www.certifiedcosmetics.com\/wp-content\/uploads\/2026\/07\/natural-stability.jpg 800w\" sizes=\"(max-width: 292px) 100vw, 292px\" \/>N\u00e4r man talar om <a href=\"https:\/\/www.certifiedcosmetics.com\/blog\/cosmetics-laboratory-testing\/stability-testing-of-cosmetics\/\">stabilitetspr\u00f6vningar av kosmetiska produkter<\/a> \u00e4r det ofta de accelererade studierna som f\u00e5r mest uppm\u00e4rksamhet, eftersom de ger resultat inom en relativt kort tidsperiod. De utg\u00f6r dock endast en del av den \u00f6vergripande stabilitetsbed\u00f6mningen.<\/p>\n<p data-start=\"286\" data-end=\"609\">En annan viktig metod \u00e4r <strong data-start=\"316\" data-end=\"347\">stabilitetstestning i realtid<\/strong>, d\u00e4r kosmetiska produkter f\u00f6rvaras under normala f\u00f6rh\u00e5llanden under en l\u00e4ngre tid och utv\u00e4rderas med j\u00e4mna mellanrum. \u00c4ven om denna metod kr\u00e4ver betydligt mer tid ger den direkta bel\u00e4gg f\u00f6r hur en produkt beter sig under hela sin avsedda h\u00e5llbarhetstid.<\/p>\n<p data-start=\"611\" data-end=\"849\">Att f\u00f6rst\u00e5 skillnaderna mellan accelererade stabilitetsstudier och stabilitetsstudier i realtid hj\u00e4lper tillverkarna att tolka laboratoriedata p\u00e5 r\u00e4tt s\u00e4tt och fatta v\u00e4lgrundade beslut n\u00e4r det g\u00e4ller att s\u00e4kerst\u00e4lla produktkvaliteten inom ramen f\u00f6r den europeiska lagstiftningen.<\/p>\n<h2 data-section-id=\"qbbv0b\" data-start=\"851\" data-end=\"890\">Vad \u00e4r stabilitetstestning i realtid?<\/h2>\n<p data-start=\"892\" data-end=\"1055\">Stabilitetstester i realtid inneb\u00e4r att en kosmetisk produkt utv\u00e4rderas under f\u00f6rvaringsf\u00f6rh\u00e5llanden som i h\u00f6g grad motsvarar de som kan f\u00f6rv\u00e4ntas vid normal distribution, f\u00f6rvaring och anv\u00e4ndning.<\/p>\n<p data-start=\"1057\" data-end=\"1337\">I st\u00e4llet f\u00f6r att uts\u00e4tta produkterna f\u00f6r h\u00f6ga temperaturer eller andra p\u00e5frestningar <strong>f\u00f6rvaras proverna vanligtvis under normala omgivningsf\u00f6rh\u00e5llanden i flera m\u00e5nader eller till och med \u00e5r.<\/strong> Under hela studien utv\u00e4rderar laboratorierna regelbundet om produkten fortfarande uppfyller de f\u00f6rutbest\u00e4mda kvalitetskriterierna.<\/p>\n<p data-start=\"1339\" data-end=\"1475\">Eftersom produkten \u00e5ldras naturligt \u00e5terspeglar resultaten dess faktiska beteende p\u00e5 l\u00e5ng sikt, snarare \u00e4n en prognos baserad p\u00e5 accelererad \u00e5ldring.<\/p>\n<p data-start=\"1339\" data-end=\"1475\">Realtidsstudier ger v\u00e4rdefull st\u00f6djande dokumentation genom att beskriva produktens beteende under realistiska lagringsf\u00f6rh\u00e5llanden under en l\u00e4ngre tidsperiod. Dessa studier \u00e4r s\u00e4rskilt anv\u00e4ndbara n\u00e4r man ska bekr\u00e4fta den f\u00f6reslagna h\u00e5llbarhetstiden f\u00f6r etablerade formuleringar eller n\u00e4r man ska ta fram ytterligare underlag f\u00f6r produkter som f\u00f6rv\u00e4ntas finnas kvar p\u00e5 marknaden i flera \u00e5r.<\/p>\n<h2 data-section-id=\"4tn1iq\" data-start=\"2256\" data-end=\"2295\">Hur genomf\u00f6rs studier i realtid?<\/h2>\n<p data-start=\"2297\" data-end=\"2417\">Den \u00f6vergripande strategin liknar den i andra stabilitetsprogram, men utan att \u00e5ldringsprocessen p\u00e5skyndas p\u00e5 konstgjord v\u00e4g.<\/p>\n<p data-start=\"2419\" data-end=\"2691\">Representativa prover fr\u00e5n en produktionssats f\u00f6rvaras under f\u00f6rutbest\u00e4mda milj\u00f6f\u00f6rh\u00e5llanden som motsvarar normala rekommendationer f\u00f6r f\u00f6rvaring. Med regelbundna intervall utv\u00e4rderar laboratoriet relevanta kvalitetsparametrar och dokumenterar eventuella f\u00f6r\u00e4ndringar som observeras under studien.<\/p>\n<p data-start=\"2693\" data-end=\"2904\">Hur ofta provtagning sker beror p\u00e5 studiens utformning och produktens f\u00f6rv\u00e4ntade h\u00e5llbarhetstid. Utv\u00e4rderingar genomf\u00f6rs vanligtvis vid flera olika tidpunkter, inte bara i b\u00f6rjan och slutet av studien.<\/p>\n<p data-start=\"2946\" data-end=\"3070\">Samma kvalitetsegenskaper som utv\u00e4rderas under<a href=\"https:\/\/www.certifiedcosmetics.com\/sv\/product\/stabilitetstestning\/accelererad-stabilitets-och-kompatibilitetstest-12-manaders-hallbarhetstid\/\"> accelererade stabilitetsstudier<\/a> \u00f6vervakas i allm\u00e4nhet \u00e4ven under realtidstestning. Laboratorierna bed\u00f6mer vanligtvis f\u00f6ljande:<\/p>\n<ul data-start=\"3103\" data-end=\"3344\">\n<li data-section-id=\"17jthru\" data-start=\"3103\" data-end=\"3133\">Utseende, f\u00e4rg och lukt<\/li>\n<li data-section-id=\"fo1c6o\" data-start=\"3134\" data-end=\"3155\">pH, i f\u00f6rekommande fall<\/li>\n<li data-section-id=\"1e555u4\" data-start=\"3156\" data-end=\"3182\">Viskositet eller konsistens<\/li>\n<li data-section-id=\"1co8v0h\" data-start=\"3183\" data-end=\"3216\">Homogenitet och fasstabilitet<\/li>\n<li data-section-id=\"161ydjm\" data-start=\"3217\" data-end=\"3263\">Tecken p\u00e5 kristallisation eller sedimentering<\/li>\n<li data-section-id=\"djyha1\" data-start=\"3264\" data-end=\"3289\">F\u00f6rpackningskompatibilitet<\/li>\n<li data-section-id=\"q64ir\" data-start=\"3290\" data-end=\"3344\">Andra produktspecifika egenskaper, i f\u00f6rekommande fall<\/li>\n<\/ul>\n<p data-start=\"3346\" data-end=\"3480\">Genom att \u00f6vervaka dessa parametrar \u00f6ver tid kan tillverkarna avg\u00f6ra om gradvisa f\u00f6r\u00e4ndringar sker under normala lagringsf\u00f6rh\u00e5llanden.<\/p>\n<h2 data-section-id=\"oiq1l7\" data-start=\"3482\" data-end=\"3529\">Den st\u00f6rsta skillnaden j\u00e4mf\u00f6rt med accelererad testning<\/h2>\n<p data-start=\"3531\" data-end=\"3649\">\u00c4ven om b\u00e5da metoderna syftar till att utv\u00e4rdera produktens stabilitet skiljer sig s\u00e4ttet p\u00e5 vilket de frambringar bevis i grunden \u00e5t.<\/p>\n<p data-start=\"3651\" data-end=\"3890\">Genom accelererade stabilitetstester bed\u00f6ms produktens framtida beteende genom att produkterna uts\u00e4tts f\u00f6r kontrollerade p\u00e5frestningar som p\u00e5skyndar nedbrytningen. Detta g\u00f6r det m\u00f6jligt att uppt\u00e4cka m\u00e5nga stabilitetsproblem inom en relativt kort tidsperiod.<\/p>\n<p data-start=\"3892\" data-end=\"4105\">Stabilitetstester i realtid syftar d\u00e4remot inte till att p\u00e5skynda \u00e5ldrandet. Ist\u00e4llet dokumenterar de hur produkten faktiskt f\u00f6r\u00e4ndras under normal lagring under samma tidsperiod som konsumenterna kan \u00e4ga och anv\u00e4nda den.<\/p>\n<p data-start=\"4107\" data-end=\"4219\"><strong>Med andra ord \u00e4r accelererade tester fr\u00e4mst av prediktiv karakt\u00e4r, medan realtidstester \u00e4r av observationell karakt\u00e4r.<\/strong><\/p>\n<h2 data-section-id=\"18zico5\" data-start=\"4221\" data-end=\"4265\">F\u00f6rdelarna med stabilitetstestning i realtid<\/h2>\n<p data-start=\"4267\" data-end=\"4371\">Den st\u00f6rsta styrkan med realtidsstudier \u00e4r att de ger direkta bel\u00e4gg snarare \u00e4n prognoser.<\/p>\n<p data-start=\"4373\" data-end=\"4606\">Eftersom produkterna f\u00f6rvaras under realistiska f\u00f6rh\u00e5llanden ger resultaten en god bild av det beteende som kan f\u00f6rv\u00e4ntas under hela den avsedda h\u00e5llbarhetstiden. Detta minskar den os\u00e4kerhet som \u00e4r f\u00f6rknippad med att enbart tolka data fr\u00e5n accelererade \u00e5ldringsf\u00f6rs\u00f6k.<\/p>\n<p data-start=\"4608\" data-end=\"4878\">Realtidsstudier kan ocks\u00e5 avsl\u00f6ja gradvisa f\u00f6r\u00e4ndringar som inte m\u00e4rks vid accelererade tester. Vissa formuleringar, interaktioner mellan f\u00f6rpackningar eller nedbrytningsprocesser hos ingredienser utvecklas l\u00e5ngsamt och kan bli synliga f\u00f6rst efter l\u00e4ngre tids lagring under normala f\u00f6rh\u00e5llanden.<\/p>\n<p data-start=\"4880\" data-end=\"5017\">N\u00e4r det g\u00e4ller etablerade produkter utg\u00f6r dessa studier v\u00e4rdefull l\u00e5ngsiktig teknisk dokumentation som st\u00f6djer det l\u00f6pande kvalitetsarbetet.<\/p>\n<h2 data-section-id=\"1dmno58\" data-start=\"5019\" data-end=\"5054\">Begr\u00e4nsningar i studier i realtid<\/h2>\n<p data-start=\"5056\" data-end=\"5108\">Den st\u00f6rsta nackdelen \u00e4r uppenbar: det tar tid.<\/p>\n<p data-start=\"5110\" data-end=\"5380\">En produkt som \u00e4r avsedd att ha en h\u00e5llbarhetstid p\u00e5 30 m\u00e5nader kan inte generera fullst\u00e4ndiga realtidsdata inom loppet av n\u00e5gra veckor. Tillverkare som utvecklar nya produkter beh\u00f6ver ofta tekniska bel\u00e4gg innan den kommersiella lanseringen, vilket g\u00f6r det opraktiskt att enbart f\u00f6rlita sig p\u00e5 l\u00e5ngtidsobservationer.<\/p>\n<p data-start=\"5382\" data-end=\"5579\">Studier i realtid kr\u00e4ver dessutom att laboratorierna bevarar proverna under l\u00e4ngre perioder och genomf\u00f6r upprepade utv\u00e4rderingar under flera m\u00e5nader eller \u00e5r, vilket \u00f6kar b\u00e5de projektets varaktighet och resursbehovet.<\/p>\n<p data-start=\"5581\" data-end=\"5695\">Av dessa sk\u00e4l anv\u00e4nds de i regel tillsammans med andra metoder f\u00f6r stabilitetsbed\u00f6mning, snarare \u00e4n att ers\u00e4tta dem.<\/p>\n<h2 data-section-id=\"1rhw0q\" data-start=\"6323\" data-end=\"6363\">Att v\u00e4lja r\u00e4tt stabilitetsstrategi<\/h2>\n<p data-start=\"5747\" data-end=\"5903\">Vilken teststrategi som \u00e4r l\u00e4mplig beror p\u00e5 produktens sammans\u00e4ttning, f\u00f6rpackning, tillg\u00e4nglig utvecklingstid och vilka bevis som kr\u00e4vs f\u00f6r att styrka produktens kvalitet.<\/p>\n<p data-start=\"5905\" data-end=\"6172\">M\u00e5nga tillverkare inleder med accelererade stabilitetsstudier eftersom dessa ger tidig information under produktutvecklingen. D\u00e4refter kan studier i realtid forts\u00e4tta efter lanseringen eller parallellt med den kommersiella produktionen f\u00f6r att \u00f6ver tid st\u00e4rka den tillg\u00e4ngliga tekniska evidensen.<\/p>\n<p data-start=\"6174\" data-end=\"6321\">I st\u00e4llet f\u00f6r att betrakta de tv\u00e5 tillv\u00e4gag\u00e5ngss\u00e4tten som alternativ ses de ofta som kompletterande metoder inom ett \u00f6vergripande stabilitetsprogram.<\/p>\n<p data-start=\"6775\" data-end=\"6930\">Genom att v\u00e4lja en l\u00e4mplig kombination av stabilitetsstudier kan tillverkarna ta fram tillf\u00f6rlitliga bevis samtidigt som de utnyttjar laboratoriernas resurser p\u00e5 ett effektivt s\u00e4tt.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>N\u00e4r man talar om stabilitetspr\u00f6vningar av kosmetiska produkter \u00e4r det ofta de accelererade studierna som f\u00e5r mest uppm\u00e4rksamhet, eftersom de ger resultat inom en relativt kort tidsperiod. De utg\u00f6r dock endast en del av den \u00f6vergripande stabilitetsbed\u00f6mningen. En annan viktig metod \u00e4r stabilitetstestning i realtid, d\u00e4r kosmetiska produkter f\u00f6rvaras under normala f\u00f6rh\u00e5llanden under en l\u00e4ngre&#8230;<\/p>\n","protected":false},"author":294,"featured_media":36640,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4164],"tags":[],"class_list":["post-36639","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>Stabilitetstestning i realtid: Vad \u00e4r skillnaden? - Certified Cosmetics<\/title>\n<meta name=\"description\" content=\"L\u00e4r dig hur stabilitetstester i realtid skiljer sig fr\u00e5n accelererade studier, varf\u00f6r detta \u00e4r viktigt f\u00f6r kosmetika och hur det bidrar till att s\u00e4kerst\u00e4lla h\u00e5llbarhetstiden och efterlevnaden av EU:s best\u00e4mmelser.\" \/>\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\/stabilitetstestning-i-realtid-vad-ar-skillnaden\/\" \/>\n<meta property=\"og:locale\" content=\"sv_SE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Stabilitetstestning i realtid: Vad \u00e4r skillnaden?\" \/>\n<meta property=\"og:description\" content=\"L\u00e4r dig hur stabilitetstester i realtid skiljer sig fr\u00e5n accelererade studier, varf\u00f6r detta \u00e4r viktigt f\u00f6r kosmetika och hur det bidrar till att s\u00e4kerst\u00e4lla h\u00e5llbarhetstiden och efterlevnaden av EU:s best\u00e4mmelser.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.certifiedcosmetics.com\/sv\/blog\/laboratorieundersokningar\/stabilitetstestning-i-realtid-vad-ar-skillnaden\/\" \/>\n<meta property=\"og:site_name\" content=\"Certified Cosmetics\" \/>\n<meta property=\"article:published_time\" content=\"2026-10-24T08:25:53+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.certifiedcosmetics.com\/wp-content\/uploads\/2026\/07\/natural-stability.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=\"5 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\\\/stabilitetstestning-i-realtid-vad-ar-skillnaden\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.certifiedcosmetics.com\\\/sv\\\/blog\\\/laboratorieundersokningar\\\/stabilitetstestning-i-realtid-vad-ar-skillnaden\\\/\"},\"author\":{\"name\":\"Angela\",\"@id\":\"https:\\\/\\\/www.certifiedcosmetics.com\\\/sv\\\/#\\\/schema\\\/person\\\/2620f9d56cb0c867784edb68de06746c\"},\"headline\":\"Stabilitetstestning i realtid: Vad \u00e4r skillnaden?\",\"datePublished\":\"2026-10-24T08:25:53+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.certifiedcosmetics.com\\\/sv\\\/blog\\\/laboratorieundersokningar\\\/stabilitetstestning-i-realtid-vad-ar-skillnaden\\\/\"},\"wordCount\":1025,\"publisher\":{\"@id\":\"https:\\\/\\\/www.certifiedcosmetics.com\\\/sv\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.certifiedcosmetics.com\\\/sv\\\/blog\\\/laboratorieundersokningar\\\/stabilitetstestning-i-realtid-vad-ar-skillnaden\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.certifiedcosmetics.com\\\/wp-content\\\/uploads\\\/2026\\\/07\\\/natural-stability.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\\\/stabilitetstestning-i-realtid-vad-ar-skillnaden\\\/\",\"url\":\"https:\\\/\\\/www.certifiedcosmetics.com\\\/sv\\\/blog\\\/laboratorieundersokningar\\\/stabilitetstestning-i-realtid-vad-ar-skillnaden\\\/\",\"name\":\"Stabilitetstestning i realtid: Vad \u00e4r skillnaden? 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