{"id":36690,"date":"2026-10-24T09:25:53","date_gmt":"2026-10-24T08:25:53","guid":{"rendered":"https:\/\/www.certifiedcosmetics.com\/blog\/uncategorized-cs\/co-je-to-zkouska-stability-podle-normy-iso-18811\/"},"modified":"2026-10-24T09:25:53","modified_gmt":"2026-10-24T08:25:53","slug":"co-je-to-zkouska-stability-podle-normy-iso-18811","status":"publish","type":"post","link":"https:\/\/www.certifiedcosmetics.com\/cs\/blog\/laboratorni-testy\/co-je-to-zkouska-stability-podle-normy-iso-18811\/","title":{"rendered":"Co je to zkou\u0161ka stability podle normy ISO 18811"},"content":{"rendered":"

\"\"P\u0159i diskusi o testov\u00e1n\u00ed stability kosmetick\u00fdch p\u0159\u00edpravk\u016f se v technick\u00e9 dokumentaci a laboratorn\u00edch protokolech \u010dasto objevuje jedna norma: ISO\/TR 18811:2018<\/strong>. V\u00fdrobci \u010dasto p\u0159edpokl\u00e1daj\u00ed, \u017ee se jedn\u00e1 o povinnou zku\u0161ebn\u00ed normu nebo \u017ee p\u0159edepisuje konkr\u00e9tn\u00ed laboratorn\u00ed postup. Ve skute\u010dnosti v\u0161ak ani jedno z toho nen\u00ed pravda.<\/p>\n

ISO\/TR 18811 je technick\u00e1 zpr\u00e1va<\/strong>, kter\u00e1 poskytuje v\u011bdeck\u00e9 pokyny k tomu, jak by se m\u011blo p\u0159istupovat ke zkou\u0161k\u00e1m stability kosmetick\u00fdch p\u0159\u00edpravk\u016f. Nam\u00edsto stanoven\u00ed z\u00e1vazn\u00fdch zku\u0161ebn\u00edch podm\u00ednek \u010di krit\u00e9ri\u00ed p\u0159ijatelnosti nab\u00edz\u00ed r\u00e1mec, kter\u00fd v\u00fdrobc\u016fm pom\u00e1h\u00e1 navrhovat vhodn\u00e9 studie stability na z\u00e1klad\u011b vlastnost\u00ed jednotliv\u00fdch v\u00fdrobk\u016f.<\/p>\n

Porozum\u011bn\u00ed \u00faloze normy ISO\/TR 18811 pom\u00e1h\u00e1 kosmetick\u00fdm zna\u010dk\u00e1m spr\u00e1vn\u011b interpretovat laboratorn\u00ed zpr\u00e1vy a vypracov\u00e1vat testovac\u00ed programy, kter\u00e9 jsou jak v\u011bdecky podlo\u017een\u00e9, tak v souladu s po\u017eadavky evropsk\u00fdch p\u0159edpis\u016f.<\/p>\n

Co je norma ISO\/TR 18811?<\/h2>\n

Norma ISO\/TR 18811:2018<\/strong>, \u201eKosmetika \u2013 Pokyny pro zkou\u0161en\u00ed stability kosmetick\u00fdch p\u0159\u00edpravk\u016f\u201c<\/em>, byla vyd\u00e1na Mezin\u00e1rodn\u00ed organizac\u00ed pro normalizaci (ISO) s c\u00edlem poskytnout pokyny pro posuzov\u00e1n\u00ed stability kosmetick\u00fdch p\u0159\u00edpravk\u016f.<\/p>\n

Je d\u016fle\u017eit\u00e9 si uv\u011bdomit, \u017ee tento dokument je technickou zpr\u00e1vou (TR)<\/strong>, nikoli mezin\u00e1rodn\u00ed normou. Tento rozd\u00edl je podstatn\u00fd. Na rozd\u00edl od normy, kter\u00e1 stanovuje z\u00e1vazn\u00e9 po\u017eadavky nebo podrobn\u00e9 zku\u0161ebn\u00ed metody, technick\u00e1 zpr\u00e1va poskytuje doporu\u010den\u00ed, z\u00e1kladn\u00ed informace a osv\u011bd\u010den\u00e9 v\u011bdeck\u00e9 postupy. Pom\u00e1h\u00e1 v\u00fdrobc\u016fm pochopit, jak lze pl\u00e1novat testov\u00e1n\u00ed stability, ale kone\u010dn\u00e9 rozhodnut\u00ed o strategii testov\u00e1n\u00ed ponech\u00e1v\u00e1 na spole\u010dnosti odpov\u011bdn\u00e9 za uveden\u00ed v\u00fdrobku na trh.<\/p>\n

Je norma ISO\/TR 18811 v Evropsk\u00e9 unii z\u00e1vazn\u00e1?<\/h2>\n

Ne. Ani na\u0159\u00edzen\u00ed (ES) \u010d. 1223\/2009<\/strong>, ani \u017e\u00e1dn\u00e9 ofici\u00e1ln\u00ed evropsk\u00e9 pokyny nevy\u017eaduj\u00ed, aby v\u00fdrobci konkr\u00e9tn\u011b dodr\u017eovali normu ISO\/TR 18811.<\/p>\n

Na\u0159\u00edzen\u00ed v\u0161ak vy\u017eaduje, aby kosmetick\u00e9 p\u0159\u00edpravky byly bezpe\u010dn\u00e9 za norm\u00e1ln\u00edch nebo rozumn\u011b p\u0159edv\u00eddateln\u00fdch podm\u00ednek pou\u017eit\u00ed. Prok\u00e1z\u00e1n\u00ed stability p\u0159\u00edpravku je sou\u010d\u00e1st\u00ed v\u011bdeck\u00fdch d\u016fkaz\u016f podporuj\u00edc\u00edch toto posouzen\u00ed bezpe\u010dnosti.<\/p>\n

Vzhledem k tomu, \u017ee norma ISO\/TR 18811 odr\u00e1\u017e\u00ed mezin\u00e1rodn\u011b uzn\u00e1van\u00e9 v\u011bdeck\u00e9 z\u00e1sady, mnoho laborato\u0159\u00ed a odborn\u00edk\u016f v oblasti regulace ji pou\u017e\u00edv\u00e1 jako referen\u010dn\u00ed dokument p\u0159i navrhov\u00e1n\u00ed studi\u00ed stability a zd\u016fvod\u0148ov\u00e1n\u00ed jejich opodstatn\u011bnosti.<\/p>\n

Co vlastn\u011b norma ISO\/TR 18811 stanov\u00ed?<\/h2>\n

Jedn\u00edm z nejd\u016fle\u017eit\u011bj\u0161\u00edch sd\u011blen\u00ed normy ISO\/TR 18811 je, \u017ee neexistuje \u017e\u00e1dn\u00fd univerz\u00e1ln\u00ed protokol pro zkou\u0161ky stability, kter\u00fd by byl vhodn\u00fd pro ka\u017ed\u00fd kosmetick\u00fd p\u0159\u00edpravek<\/strong>.<\/p>\n

Zpr\u00e1va uzn\u00e1v\u00e1 obrovskou rozmanitost kosmetick\u00fdch p\u0159\u00edpravk\u016f, obalov\u00fdch syst\u00e9m\u016f, skladovac\u00edch podm\u00ednek a zam\u00fd\u0161len\u00fdch zp\u016fsob\u016f pou\u017eit\u00ed. Na z\u00e1klad\u011b toho doch\u00e1z\u00ed k z\u00e1v\u011bru, \u017ee v\u00fdrobci by m\u011bli stanovit a od\u016fvodnit sv\u00e9 vlastn\u00ed protokoly stability zalo\u017een\u00e9 na v\u011bdeck\u00e9m zd\u016fvodn\u011bn\u00ed, nam\u00edsto toho, aby se \u0159\u00eddili jedin\u00fdm p\u0159edem stanoven\u00fdm postupem.<\/p>\n

Tento flexibiln\u00ed p\u0159\u00edstup je v souladu s evropskou legislativou v oblasti kosmetick\u00fdch p\u0159\u00edpravk\u016f, kter\u00e1 ukl\u00e1d\u00e1 v\u00fdrobci povinnost p\u0159edlo\u017eit odpov\u00eddaj\u00edc\u00ed d\u016fkazy pro ka\u017ed\u00fd jednotliv\u00fd v\u00fdrobek.<\/p>\n

Norma ISO\/TR 18811 se zab\u00fdv\u00e1 hlavn\u00edmi prvky, kter\u00e9 je t\u0159eba zohlednit p\u0159i pl\u00e1nov\u00e1n\u00ed programu stability. Mezi t\u00e9mata, jimi\u017e se norma zab\u00fdv\u00e1, pat\u0159\u00ed:<\/p>\n

    \n
  • V\u011bdeck\u00e9 principy, na nich\u017e spo\u010d\u00edv\u00e1 stabilita kosmetick\u00fdch p\u0159\u00edpravk\u016f<\/li>\n
  • Faktory, kter\u00e9 mohou ovlivnit stabilitu v\u00fdrobku<\/li>\n
  • V\u00fdb\u011br vhodn\u00fdch testovac\u00edch metod<\/li>\n
  • Skladovac\u00ed podm\u00ednky a n\u00e1vrh studie<\/li>\n
  • Vyhodnocen\u00ed v\u00fdsledk\u016f stability<\/li>\n
  • Zaznamen\u00e1n\u00ed z\u00e1v\u011br\u016f<\/li>\n<\/ul>\n

    Zpr\u00e1va rovn\u011b\u017e p\u0159in\u00e1\u0161\u00ed p\u0159ehled st\u00e1vaj\u00edc\u00edch v\u011bdeck\u00fdch zdroj\u016f a d\u0159\u00edve zve\u0159ejn\u011bn\u00fdch pokyn\u016f, \u010d\u00edm\u017e v\u00fdrobc\u016fm poskytuje u\u017eite\u010dn\u00fd r\u00e1mec pro v\u00fdb\u011br vhodn\u00fdch testovac\u00edch strategi\u00ed.<\/p>\n

    Jak by m\u011bli v\u00fdrobci pou\u017e\u00edvat normu ISO\/TR 18811?<\/h2>\n

    Pro v\u011bt\u0161inu kosmetick\u00fdch spole\u010dnost\u00ed je norma ISO\/TR 18811 sp\u00ed\u0161e referen\u010dn\u00edm dokumentem ne\u017e kontroln\u00edm seznamem pro posouzen\u00ed shody.<\/p>\n

    Pom\u00e1h\u00e1 v\u00fdrobc\u016fm pochopit, pro\u010d se programy testov\u00e1n\u00ed stability u jednotliv\u00fdch v\u00fdrobk\u016f li\u0161\u00ed a pro\u010d mohou laborato\u0159e v z\u00e1vislosti na hodnocen\u00e9m slo\u017een\u00ed doporu\u010dovat r\u016fzn\u00e9 typy studi\u00ed.<\/p>\n

    M\u00edsto toho, abychom se ptali, zda je v\u00fdrobek \u201etestov\u00e1n podle normy ISO\/TR 18811\u201c, je obvykle vhodn\u011bj\u0161\u00ed zeptat se, zda byl program stability navr\u017een na z\u00e1klad\u011b v\u011bdecky podlo\u017een\u00fdch z\u00e1sad, kter\u00e9 jsou v souladu s doporu\u010den\u00edmi t\u00e9to normy.<\/p>\n","protected":false},"excerpt":{"rendered":"

    P\u0159i diskusi o testov\u00e1n\u00ed stability kosmetick\u00fdch p\u0159\u00edpravk\u016f se v technick\u00e9 dokumentaci a laboratorn\u00edch protokolech \u010dasto objevuje jedna norma: ISO\/TR 18811:2018. V\u00fdrobci \u010dasto p\u0159edpokl\u00e1daj\u00ed, \u017ee se jedn\u00e1 o povinnou zku\u0161ebn\u00ed normu nebo \u017ee p\u0159edepisuje konkr\u00e9tn\u00ed laboratorn\u00ed postup. Ve skute\u010dnosti v\u0161ak ani jedno z toho nen\u00ed pravda. ISO\/TR 18811 je technick\u00e1 zpr\u00e1va, kter\u00e1 poskytuje v\u011bdeck\u00e9 pokyny k…<\/p>\n","protected":false},"author":294,"featured_media":36692,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4154],"tags":[],"class_list":["post-36690","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-laboratorni-testy"],"yoast_head":"\nCo je to zkou\u0161ka stability podle normy ISO 18811 - Certified Cosmetics<\/title>\n<meta name=\"description\" content=\"Zjist\u011bte, co je norma ISO\/TR 18811, jak slou\u017e\u00ed jako vod\u00edtko p\u0159i testov\u00e1n\u00ed stability kosmetick\u00fdch p\u0159\u00edpravk\u016f a pro\u010d se \u0161iroce vyu\u017e\u00edv\u00e1 k dolo\u017een\u00ed doby pou\u017eitelnosti a souladu s p\u0159edpisy EU.\" \/>\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\/cs\/blog\/laboratorni-testy\/co-je-to-zkouska-stability-podle-normy-iso-18811\/\" \/>\n<meta property=\"og:locale\" content=\"cs_CZ\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Co je to zkou\u0161ka stability podle normy ISO 18811\" \/>\n<meta property=\"og:description\" content=\"Zjist\u011bte, co je norma ISO\/TR 18811, jak slou\u017e\u00ed jako vod\u00edtko p\u0159i testov\u00e1n\u00ed stability kosmetick\u00fdch p\u0159\u00edpravk\u016f a pro\u010d se \u0161iroce vyu\u017e\u00edv\u00e1 k dolo\u017een\u00ed doby pou\u017eitelnosti a souladu s p\u0159edpisy EU.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.certifiedcosmetics.com\/cs\/blog\/laboratorni-testy\/co-je-to-zkouska-stability-podle-normy-iso-18811\/\" \/>\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\/isotr-18811.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=\"Napsal(a)\" \/>\n\t<meta name=\"twitter:data1\" content=\"Angela\" \/>\n\t<meta name=\"twitter:label2\" content=\"Odhadovan\u00e1 doba \u010dten\u00ed\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 minuty\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.certifiedcosmetics.com\\\/cs\\\/blog\\\/laboratorni-testy\\\/co-je-to-zkouska-stability-podle-normy-iso-18811\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.certifiedcosmetics.com\\\/cs\\\/blog\\\/laboratorni-testy\\\/co-je-to-zkouska-stability-podle-normy-iso-18811\\\/\"},\"author\":{\"name\":\"Angela\",\"@id\":\"https:\\\/\\\/www.certifiedcosmetics.com\\\/cs\\\/#\\\/schema\\\/person\\\/2620f9d56cb0c867784edb68de06746c\"},\"headline\":\"Co je to zkou\u0161ka stability podle normy ISO 18811\",\"datePublished\":\"2026-10-24T08:25:53+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.certifiedcosmetics.com\\\/cs\\\/blog\\\/laboratorni-testy\\\/co-je-to-zkouska-stability-podle-normy-iso-18811\\\/\"},\"wordCount\":815,\"publisher\":{\"@id\":\"https:\\\/\\\/www.certifiedcosmetics.com\\\/cs\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.certifiedcosmetics.com\\\/cs\\\/blog\\\/laboratorni-testy\\\/co-je-to-zkouska-stability-podle-normy-iso-18811\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.certifiedcosmetics.com\\\/wp-content\\\/uploads\\\/2026\\\/07\\\/isotr-18811.jpg\",\"articleSection\":[\"Laboratorn\u00ed testy\"],\"inLanguage\":\"cs\",\"copyrightYear\":\"2026\",\"copyrightHolder\":{\"@id\":\"https:\\\/\\\/www.certifiedcosmetics.com\\\/#organization\"}},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.certifiedcosmetics.com\\\/cs\\\/blog\\\/laboratorni-testy\\\/co-je-to-zkouska-stability-podle-normy-iso-18811\\\/\",\"url\":\"https:\\\/\\\/www.certifiedcosmetics.com\\\/cs\\\/blog\\\/laboratorni-testy\\\/co-je-to-zkouska-stability-podle-normy-iso-18811\\\/\",\"name\":\"Co je to zkou\u0161ka stability podle normy ISO 18811 - 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