{"id":36999,"date":"2026-11-04T20:08:47","date_gmt":"2026-11-04T19:08:47","guid":{"rendered":"https:\/\/www.certifiedcosmetics.com\/blog\/uncategorized-sk\/stanovenie-doby-trvanlivosti-kozmetickych-vyrobkov\/"},"modified":"2026-11-04T20:08:47","modified_gmt":"2026-11-04T19:08:47","slug":"stanovenie-doby-trvanlivosti-kozmetickych-vyrobkov","status":"publish","type":"post","link":"https:\/\/www.certifiedcosmetics.com\/sk\/blog\/laboratorne-testovanie\/stanovenie-doby-trvanlivosti-kozmetickych-vyrobkov\/","title":{"rendered":"Stanovenie doby trvanlivosti kozmetick\u00fdch v\u00fdrobkov"},"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\" \/>Ka\u017ed\u00fd kozmetick\u00fd v\u00fdrobok sa v priebehu \u010dasu men\u00ed. Zlo\u017eky sa m\u00f4\u017eu postupne rozklada\u0165, v\u00f4ne m\u00f4\u017eu strati\u0165 svoj p\u00f4vodn\u00fd charakter, farby m\u00f4\u017eu vybledn\u00fa\u0165 a konzerva\u010dn\u00e9 l\u00e1tky m\u00f4\u017eu strati\u0165 na \u00fa\u010dinnosti. Stanovenie doby trvanlivosti v\u00fdrobku je preto nevyhnutnou s\u00fa\u010das\u0165ou v\u00fdvoja kozmetick\u00fdch v\u00fdrobkov, \u010do pom\u00e1ha v\u00fdrobcom zabezpe\u010di\u0165, aby v\u00fdrobky zostali bezpe\u010dn\u00e9, stabiln\u00e9 a fungovali pod\u013ea o\u010dak\u00e1van\u00ed po\u010das celej svojej predpokladanej \u017eivotnosti.<\/p>\n<p>V Eur\u00f3pskej \u00fanii sa doba trvanlivosti nestanovuje svojvo\u013ene. Mala by by\u0165 podlo\u017een\u00e1 vedeck\u00fdmi d\u00f4kazmi z\u00edskan\u00fdmi po\u010das v\u00fdvoja v\u00fdrobku, najm\u00e4 prostredn\u00edctvom \u0161t\u00fadi\u00ed stability a, ak je to vhodn\u00e9, mikrobiologick\u00fdch testov. Tieto hodnotenia tvoria s\u00fa\u010das\u0165 <a href=\"https:\/\/www.certifiedcosmetics.com\/sk\/product\/hodnotenie-bezpecnosti-kozmetickych-vyrobkov\/hodnotenie-bezpecnosti-kozmetickych-vyrobkov-vyrobky-na-olejovej-baze-a-bezvode-vyrobky\/\">pos\u00fadenia bezpe\u010dnosti<\/a>, ktor\u00e9 sa zoh\u013ead\u0148uje pred uveden\u00edm kozmetick\u00e9ho v\u00fdrobku na trh pod\u013ea nariadenia (ES) \u010d. 1223\/2009.<\/p>\n<h2>\u010co je to trvanlivos\u0165?<\/h2>\n<p>Trvanlivos\u0165 ozna\u010duje obdobie, po\u010das ktor\u00e9ho kozmetick\u00fd v\u00fdrobok zost\u00e1va bezpe\u010dn\u00fd a zachov\u00e1va si o\u010dak\u00e1van\u00fa kvalitu, ak je skladovan\u00fd za vhodn\u00fdch podmienok predt\u00fdm, ako ho spotrebite\u013e otvor\u00ed.<\/p>\n<p>Po\u010das tohto obdobia by mal v\u00fdrobok na\u010falej sp\u013a\u0148a\u0165 \u0161pecifik\u00e1cie t\u00fdkaj\u00face sa vzh\u013eadu, z\u00e1pachu, konzistencie, hodnoty pH, viskozity, stability zlo\u017eiek, mikrobiologickej kvality a kompatibility s obalom. Ak sa niektor\u00e1 z t\u00fdchto vlastnost\u00ed v\u00fdrazne zhor\u0161\u00ed, v\u00fdrobok u\u017e nemus\u00ed by\u0165 vhodn\u00fd na pou\u017eitie.<\/p>\n<p><strong>Je d\u00f4le\u017eit\u00e9 rozli\u0161ova\u0165 medzi dobou trvanlivosti a dobou pou\u017eite\u013enosti po otvoren\u00ed (PAO)<\/strong>. Doba trvanlivosti sa t\u00fdka neotvoren\u00e9ho v\u00fdrobku skladovan\u00e9ho spr\u00e1vnym sp\u00f4sobom, zatia\u013e \u010do PAO ud\u00e1va, ako dlho sa v\u00fdrobok m\u00f4\u017ee vo v\u0161eobecnosti bezpe\u010dne pou\u017e\u00edva\u0165 po prvom otvoren\u00ed.<\/p>\n<h2>Pre\u010do je d\u00f4le\u017eit\u00e1 trvanlivos\u0165<\/h2>\n<p>Realistick\u00e1 trvanlivos\u0165 pom\u00e1ha chr\u00e1ni\u0165 spotrebite\u013eov aj v\u00fdrobcov. V\u00fdrobky, ktor\u00e9 zost\u00e1vaj\u00fa na reg\u00e1loch v obchodoch mesiace \u010di roky, musia aj na\u010falej sp\u013a\u0148a\u0165 o\u010dak\u00e1vania, ktor\u00e9 sa do nich vkladali v \u010dase ich zak\u00fapenia a pou\u017e\u00edvania.<\/p>\n<p>Nespr\u00e1vne uvedenie doby trvanlivosti m\u00f4\u017ee vies\u0165 k viacer\u00fdm probl\u00e9mom, medzi ktor\u00e9 patria zn\u00ed\u017een\u00e1 funk\u010dnos\u0165 v\u00fdrobku, zmeny vzh\u013eadu, v\u00f4ne alebo konzistencie, strata \u00fa\u010dinnosti konzerva\u010dn\u00fdch l\u00e1tok, mikrobiologick\u00e1 kontamin\u00e1cia, s\u0165a\u017enosti spotrebite\u013eov a vr\u00e1tenie v\u00fdrobkov, ako aj zv\u00fd\u0161en\u00e9 regula\u010dn\u00e9 a obchodn\u00e9 rizik\u00e1.<\/p>\n<p>Z t\u00fdchto d\u00f4vodov je stanovenie trvanlivosti d\u00f4le\u017eitou s\u00fa\u010das\u0165ou procesu v\u00fdvoja v\u00fdrobku a nie len form\u00e1lnou z\u00e1le\u017eitos\u0165ou s\u00favisiacou s ozna\u010dovan\u00edm.<\/p>\n<h2>Je pod\u013ea nariadenia E\u00da o kozmetick\u00fdch v\u00fdrobkoch vy\u017eadovan\u00e1 doba trvanlivosti?<\/h2>\n<p>Nariadenie (ES) \u010d. 1223\/2009 vy\u017eaduje, aby kozmetick\u00e9 v\u00fdrobky uv\u00e1dzan\u00e9 na trh E\u00da boli bezpe\u010dn\u00e9 za be\u017en\u00fdch a primerane predv\u00eddate\u013en\u00fdch podmienok pou\u017e\u00edvania. Hoci nariadenie nepredpisuje jedin\u00fa sk\u00fa\u0161obn\u00fa met\u00f3du ani pevn\u00fa dobu trvanlivosti, v\u00fdrobcovia musia disponova\u0165 primeran\u00fdmi d\u00f4kazmi potvrdzuj\u00facimi stabilitu a bezpe\u010dnos\u0165 v\u00fdrobku.<\/p>\n<p>Spr\u00e1va o bezpe\u010dnosti kozmetick\u00e9ho v\u00fdrobku (CPSR) pri posudzovan\u00ed toho, \u010di v\u00fdrobok zost\u00e1va bezpe\u010dn\u00fd po\u010das skladovania a pou\u017e\u00edvania, zoh\u013ead\u0148uje aj dostupn\u00e9 inform\u00e1cie o stabilite.<\/p>\n<p>Ak m\u00e1 kozmetick\u00fd v\u00fdrobok minim\u00e1lnu trvanlivos\u0165 krat\u0161iu ako 30 mesiacov, na etikete mus\u00ed by\u0165 uveden\u00e9 d\u00e1tum \u201espotrebujte do\u201c.<\/p>\n<p>Ak je v\u00fdrobok stabiln\u00fd dlh\u0161ie ako 30 mesiacov, d\u00e1tum minim\u00e1lnej trvanlivosti sa zvy\u010dajne nahr\u00e1dza symbolom \u201eDoba pou\u017eite\u013enosti po otvoren\u00ed\u201c (PAO), ktor\u00fd ud\u00e1va, ako dlho sa v\u00fdrobok zvy\u010dajne m\u00f4\u017ee pou\u017e\u00edva\u0165 po prvom otvoren\u00ed.<\/p>\n<h2>Ako sa stanovuje trvanlivos\u0165?<\/h2>\n<p>Trvanlivos\u0165 sa stanovuje kombin\u00e1ciou vedeck\u00fdch testov a technick\u00e9ho pos\u00fadenia, a nie na z\u00e1klade jedin\u00e9ho laborat\u00f3rneho merania.<\/p>\n<p>V\u00fdrobcovia zvy\u010dajne hodnotia v\u00fdrobok prostredn\u00edctvom<a href=\"https:\/\/www.certifiedcosmetics.com\/sk\/product\/laboratorium\/test-stability-a-kompatibility\/\"> \u0161t\u00fadi\u00ed stability<\/a> vykon\u00e1van\u00fdch za r\u00f4znych skladovac\u00edch podmienok. V r\u00e1mci t\u00fdchto \u0161t\u00fadi\u00ed sa v priebehu \u010dasu sleduj\u00fa fyzik\u00e1lne, chemick\u00e9 a mikrobiologick\u00e9 vlastnosti.<\/p>\n<p>Na z\u00e1klade z\u00edskan\u00fdch \u00fadajov m\u00f4\u017eu odborn\u00edci odhadn\u00fa\u0165, ako sa bude v\u00fdrobok spr\u00e1va\u0165 po\u010das prepravy, skladovania, distrib\u00facie v maloobchode a pou\u017e\u00edvania spotrebite\u013emi.<\/p>\n<p>Zoh\u013ead\u0148uje sa viacero faktorov, medzi ktor\u00e9 patria:<\/p>\n<ul>\n<li>Fyzik\u00e1lna stabilita.<\/li>\n<li>Chemick\u00e1 stabilita.<\/li>\n<li>Mikrobiologick\u00e1 kvalita.<\/li>\n<li>Kompatibilita obalu.<\/li>\n<li>Predpokladan\u00e9 skladovacie podmienky.<\/li>\n<li>Zlo\u017eenie v\u00fdrobku.<\/li>\n<\/ul>\n<p>Tieto hodnotenia spolu poskytuj\u00fa d\u00f4kazy potrebn\u00e9 na od\u00f4vodnenie primeranej doby trvanlivosti.<\/p>\n<p>Testovanie stability tvor\u00ed z\u00e1klad pre stanovenie doby trvanlivosti.<\/p>\n<p>Pri zr\u00fdchlen\u00fdch testoch sa vyu\u017e\u00edvaj\u00fa zv\u00fd\u0161en\u00e9 teploty na r\u00fdchlej\u0161ie odhadnutie dlhodobej stability, zatia\u013e \u010do pri \u0161t\u00fadi\u00e1ch v re\u00e1lnom \u010dase sa v\u00fdrobky sleduj\u00fa za be\u017en\u00fdch skladovac\u00edch podmienok po\u010das dlh\u0161\u00edch obdob\u00ed.<\/p>\n<p>Vyu\u017eitie oboch pr\u00edstupov zvy\u0161uje spo\u013eahlivos\u0165 \u00fadajov o navrhovanej dobe trvanlivosti.<\/p>\n<h2>Obal zohr\u00e1va d\u00f4le\u017eit\u00fa \u00falohu<\/h2>\n<p>Trvanlivos\u0165 z\u00e1vis\u00ed nielen od samotn\u00e9ho zlo\u017eenia, ale aj od zvolen\u00e9ho obalu.<\/p>\n<p>Obaly musia v\u00fdrobok primerane chr\u00e1ni\u0165 pred vplyvmi okolia, ako s\u00fa kysl\u00edk, vlhkos\u0165, svetlo a mikrobi\u00e1lna kontamin\u00e1cia. Niektor\u00e9 zlo\u017eky m\u00f4\u017eu v priebehu \u010dasu reagova\u0165 aj s plastmi, povrchov\u00fdmi \u00fapravami, \u010derpadlami alebo tesneniami.<\/p>\n<p>\u0160t\u00fadie kompatibility obalov pom\u00e1haj\u00fa identifikova\u0165 potenci\u00e1lne probl\u00e9my, ako s\u00fa zmena farby, \u00fanik, odparovanie, deform\u00e1cia alebo migr\u00e1cia medzi obalom a kozmetick\u00fdm pr\u00edpravkom.<\/p>\n<p>Z tohto d\u00f4vodu m\u00f4\u017ee zmena obalu vy\u017eadova\u0165 dodato\u010dn\u00e9 pos\u00fadenie stability, a to aj v pr\u00edpade, \u017ee zlo\u017eenie zostane nezmenen\u00e9.<\/p>\n<h2>Faktory, ktor\u00e9 ovplyv\u0148uj\u00fa trvanlivos\u0165<\/h2>\n<p> Pre kozmetick\u00e9 v\u00fdrobky neexistuje univerz\u00e1lna trvanlivos\u0165. Ka\u017ed\u00e9 zlo\u017eenie sa spr\u00e1va inak v z\u00e1vislosti od jeho zlo\u017eiek a zam\u00fd\u0161\u013ean\u00e9ho pou\u017eitia.<\/p>\n<p>Na \u017eivotnos\u0165 v\u00fdrobku vpl\u00fdva viacero faktorov, medzi ktor\u00e9 patr\u00ed obsah vody, typ pou\u017eit\u00fdch emulzi\u00ed, konzerva\u010dn\u00e9 syst\u00e9my, antioxidanty, hodnota pH, vystavenie p\u00f4sobeniu kysl\u00edka, kvalita v\u00fdroby, skladovacia teplota, dizajn obalu a stabilita akt\u00edvnych zlo\u017eiek.<\/p>\n<p>V\u00fdrobky obsahuj\u00face nest\u00e1le pr\u00edrodn\u00e9 v\u00fd\u0165a\u017eky, vitam\u00edny alebo rastlinn\u00e9 zlo\u017eky m\u00f4\u017eu vy\u017eadova\u0165 d\u00f4kladnej\u0161ie pos\u00fadenie ne\u017e pr\u00edpravky zlo\u017een\u00e9 z vysoko stabiln\u00fdch zlo\u017eiek.<\/p>\n<h2>Typick\u00e1 doba trvanlivosti kozmetick\u00fdch v\u00fdrobkov<\/h2>\n<p>Mnoh\u00e9 kozmetick\u00e9 v\u00fdrobky uveden\u00e9 na eur\u00f3psky trh maj\u00fa pri spr\u00e1vnom skladovan\u00ed dobu trvanlivosti v neotvorenom stave v rozmedz\u00ed dvoch a\u017e troch rokov. To by sa v\u0161ak nemalo vyklada\u0165 ako regula\u010dn\u00e1 po\u017eiadavka.<\/p>\n<p>Niektor\u00e9 v\u00fdrobky m\u00f4\u017eu vykazova\u0165 vynikaj\u00facu stabilitu aj po uplynut\u00ed tohto obdobia, zatia\u013e \u010do in\u00e9 \u2013 najm\u00e4 pr\u00edpravky obsahuj\u00face nest\u00e1le \u00fa\u010dinn\u00e9 l\u00e1tky alebo minim\u00e1lne mno\u017estvo konzerva\u010dn\u00fdch l\u00e1tok \u2013 m\u00f4\u017eu vy\u017eadova\u0165 krat\u0161iu dobu trvanlivosti podlo\u017een\u00fa v\u00fdsledkami testov.<\/p>\n<p><strong>Ka\u017ed\u00fd v\u00fdrobok by sa preto mal posudzova\u0165 individu\u00e1lne<\/strong>, namiesto toho, aby sa vych\u00e1dzalo z v\u0161eobecn\u00fdch predpokladov platn\u00fdch v danom odvetv\u00ed.<\/p>\n<h2>\u010co sa stane, ak sa zistia probl\u00e9my so stabilitou?<\/h2>\n<p>\u0160t\u00fadie trvanlivosti niekedy odhalia neo\u010dak\u00e1van\u00e9 slab\u00e9 miesta v zlo\u017een\u00ed.<\/p>\n<p>Medzi be\u017en\u00e9 zistenia patria oddelenie emulzi\u00ed, zmeny viskozity, nestabilita farby, rozklad v\u00f4ne, zmena hodnoty pH, rast mikroorganizmov alebo nekompatibilita s obalom.<\/p>\n<p>Ke\u010f k tomu d\u00f4jde, v\u00fdrobcovia \u010dasto zmenia zlo\u017eenie v\u00fdrobku, vylep\u0161ia syst\u00e9m konzerva\u010dn\u00fdch l\u00e1tok, upravia obal alebo prisp\u00f4sobia odpor\u00fa\u010dania t\u00fdkaj\u00face sa skladovania, a a\u017e potom zopakuj\u00fa potrebn\u00e9 testovanie.<\/p>\n<p>Zistenie t\u00fdchto probl\u00e9mov po\u010das v\u00fdvoja je podstatne lacnej\u0161ie ako ich odhalenie a\u017e po uveden\u00ed na trh.<\/p>\n<h2>Trvanlivos\u0165 a ozna\u010dovanie v\u00fdrobkov<\/h2>\n<p> Stanoven\u00e1 trvanlivos\u0165 priamo ovplyv\u0148uje inform\u00e1cie prezentovan\u00e9 spotrebite\u013eom.<\/p>\n<p>V\u00fdrobky s minim\u00e1lnou trvanlivos\u0165ou 30 mesiacov alebo menej musia ma\u0165 uveden\u00e9 d\u00e1tum \u201espotrebujte do\u201c.<\/p>\n<p>Na v\u00fdrobkoch, ktor\u00fdch trvanlivos\u0165 presahuje 30 mesiacov, sa zvy\u010dajne namiesto toho uv\u00e1dza symbol <a href=\"https:\/\/www.certifiedcosmetics.com\/blog\/cosmetic-product-labelling\/what-is-period-after-opening-pao\/\">\u201eDoba pou\u017eite\u013enosti po otvoren\u00ed\u201c<\/a>, ktor\u00fd ozna\u010duje odpor\u00fa\u010dan\u00fa dobu bezpe\u010dn\u00e9ho pou\u017e\u00edvania po otvoren\u00ed v\u00fdrobku.<\/p>\n<p>Uveden\u00e1 doba pou\u017eite\u013enosti by mala by\u0165 v\u017edy podlo\u017een\u00e1 pr\u00edslu\u0161nou technickou dokument\u00e1ciou, ktor\u00fa vedie v\u00fdrobca alebo zodpovedn\u00e1 osoba ako s\u00fa\u010das\u0165 <a href=\"https:\/\/www.certifiedcosmetics.com\/blog\/pif-documentation\/what-is-cosmetic-product-information-file-pif\/\">informa\u010dn\u00e9ho spisu o v\u00fdrobku (PIF).<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ka\u017ed\u00fd kozmetick\u00fd v\u00fdrobok sa v priebehu \u010dasu men\u00ed. Zlo\u017eky sa m\u00f4\u017eu postupne rozklada\u0165, v\u00f4ne m\u00f4\u017eu strati\u0165 svoj p\u00f4vodn\u00fd charakter, farby m\u00f4\u017eu vybledn\u00fa\u0165 a konzerva\u010dn\u00e9 l\u00e1tky m\u00f4\u017eu strati\u0165 na \u00fa\u010dinnosti. Stanovenie doby trvanlivosti v\u00fdrobku je preto nevyhnutnou s\u00fa\u010das\u0165ou v\u00fdvoja kozmetick\u00fdch v\u00fdrobkov, \u010do pom\u00e1ha v\u00fdrobcom zabezpe\u010di\u0165, aby v\u00fdrobky zostali bezpe\u010dn\u00e9, stabiln\u00e9 a fungovali pod\u013ea o\u010dak\u00e1van\u00ed po\u010das celej&#8230;<\/p>\n","protected":false},"author":294,"featured_media":37000,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4163],"tags":[],"class_list":["post-36999","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-laboratorne-testovanie"],"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>Stanovenie doby trvanlivosti kozmetick\u00fdch v\u00fdrobkov - Certified Cosmetics<\/title>\n<meta name=\"description\" content=\"Zistite, ako sa v E\u00da stanovuje doba trvanlivosti kozmetick\u00fdch v\u00fdrobkov, vr\u00e1tane testovania stability, mikrobiologick\u00e9ho hodnotenia, po\u017eiadaviek na ozna\u010dovanie a regula\u010dn\u00fdch usmernen\u00ed.\" \/>\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\/sk\/blog\/laboratorne-testovanie\/stanovenie-doby-trvanlivosti-kozmetickych-vyrobkov\/\" \/>\n<meta property=\"og:locale\" content=\"sk_SK\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Stanovenie doby trvanlivosti kozmetick\u00fdch v\u00fdrobkov\" \/>\n<meta property=\"og:description\" content=\"Zistite, ako sa v E\u00da stanovuje doba trvanlivosti kozmetick\u00fdch v\u00fdrobkov, vr\u00e1tane testovania stability, mikrobiologick\u00e9ho hodnotenia, po\u017eiadaviek na ozna\u010dovanie a regula\u010dn\u00fdch usmernen\u00ed.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.certifiedcosmetics.com\/sk\/blog\/laboratorne-testovanie\/stanovenie-doby-trvanlivosti-kozmetickych-vyrobkov\/\" \/>\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=\"Autor\" \/>\n\t<meta name=\"twitter:data1\" content=\"Angela\" \/>\n\t<meta name=\"twitter:label2\" content=\"Predpokladan\u00fd \u010das \u010d\u00edtania\" \/>\n\t<meta name=\"twitter:data2\" content=\"7 min\u00fat\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.certifiedcosmetics.com\\\/sk\\\/blog\\\/laboratorne-testovanie\\\/stanovenie-doby-trvanlivosti-kozmetickych-vyrobkov\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.certifiedcosmetics.com\\\/sk\\\/blog\\\/laboratorne-testovanie\\\/stanovenie-doby-trvanlivosti-kozmetickych-vyrobkov\\\/\"},\"author\":{\"name\":\"Angela\",\"@id\":\"https:\\\/\\\/www.certifiedcosmetics.com\\\/sk\\\/#\\\/schema\\\/person\\\/2620f9d56cb0c867784edb68de06746c\"},\"headline\":\"Stanovenie doby trvanlivosti kozmetick\u00fdch v\u00fdrobkov\",\"datePublished\":\"2026-11-04T19:08:47+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.certifiedcosmetics.com\\\/sk\\\/blog\\\/laboratorne-testovanie\\\/stanovenie-doby-trvanlivosti-kozmetickych-vyrobkov\\\/\"},\"wordCount\":1391,\"publisher\":{\"@id\":\"https:\\\/\\\/www.certifiedcosmetics.com\\\/sk\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.certifiedcosmetics.com\\\/sk\\\/blog\\\/laboratorne-testovanie\\\/stanovenie-doby-trvanlivosti-kozmetickych-vyrobkov\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.certifiedcosmetics.com\\\/wp-content\\\/uploads\\\/2026\\\/07\\\/shelf-life.jpg\",\"articleSection\":[\"Laborat\u00f3rne testovanie\"],\"inLanguage\":\"sk-SK\",\"copyrightYear\":\"2026\",\"copyrightHolder\":{\"@id\":\"https:\\\/\\\/www.certifiedcosmetics.com\\\/#organization\"}},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.certifiedcosmetics.com\\\/sk\\\/blog\\\/laboratorne-testovanie\\\/stanovenie-doby-trvanlivosti-kozmetickych-vyrobkov\\\/\",\"url\":\"https:\\\/\\\/www.certifiedcosmetics.com\\\/sk\\\/blog\\\/laboratorne-testovanie\\\/stanovenie-doby-trvanlivosti-kozmetickych-vyrobkov\\\/\",\"name\":\"Stanovenie doby trvanlivosti kozmetick\u00fdch v\u00fdrobkov - 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