{"id":49,"date":"2026-03-16T18:52:50","date_gmt":"2026-03-16T17:52:50","guid":{"rendered":"http:\/\/www.7virides.com\/cs\/techniky\/synteticka-barviva\/"},"modified":"2026-03-25T11:19:47","modified_gmt":"2026-03-25T10:19:47","slug":"synteticka-barviva","status":"publish","type":"page","link":"https:\/\/www.7virides.com\/cs\/mydlo\/techniky\/synteticka-barviva\/","title":{"rendered":"Syntetick\u00e1 barviva do m\u00fddla: mika, oxidy a pigmenty"},"content":{"rendered":"<blockquote>\n<p><strong>TL;DR:<\/strong> Syntetick\u00e1 barviva (mika, oxidy, pigmenty) jsou nejspolehliv\u011bj\u0161\u00ed volba pro konzistentn\u00ed, syt\u011b barevn\u00e9 m\u00fddla. Neblednou a neoxiduj\u00ed b\u011bhem zr\u00e1n\u00ed. T\u0159i hlavn\u00ed skupiny: mika (metalick\u00e9 efekty), oxidy (stabiln\u00ed z\u00e1kladn\u00ed barvy), syntetick\u00e9 pigmenty (variantn\u00ed, ale s riziky). V\u017edy testujte soap safe testem p\u0159ed pou\u017eit\u00edm v cel\u00e9 v\u00e1rce.<\/p>\n<\/blockquote>\n<p>Syntetick\u00e1 barviva jsou nejspolehliv\u011bj\u0161\u00ed zp\u016fsob, jak dos\u00e1hnout konzistentn\u00ed, syt\u011b barevn\u00e9 kolekce m\u00fddel. Na rozd\u00edl od p\u0159\u00edrodn\u00edch alternativ neblednou, neoxiduj\u00ed a nepodl\u00e9haj\u00ed alkalick\u00e9 degradaci \u2014 barva, kterou vid\u00edte v hotov\u00e9m m\u00fddle za rok, je tat\u00e1\u017e jako v prvn\u00edm t\u00fddnu.<\/p>\n<p>Ale ne ka\u017ed\u00e9 syntetick\u00e9 barvivo je vhodn\u00e9 pro alkalick\u00e9 prost\u0159ed\u00ed CP m\u00fddla. V\u00fdb\u011br \u0161patn\u00e9ho pigmentu m\u016f\u017ee zp\u016fsobit krv\u00e1cen\u00ed barev, vyblednut\u00ed nebo neo\u010dek\u00e1van\u00e9 p\u0159ebarvy. Tato str\u00e1nka v\u00e1s provede t\u0159emi hlavn\u00edmi skupinami a uk\u00e1\u017ee, jak pracovat s ka\u017edou z nich.<\/p>\n<h2 id=\"tri-skupiny-syntetickych-barviv\">T\u0159i skupiny syntetick\u00fdch barviv<\/h2>\n<h3 id=\"co-je-mika-a-co-ji-barvi\">Co je mika a co ji barv\u00ed?<\/h3>\n<p>Mika je p\u0159irozen\u011b se vyskytuj\u00edc\u00ed miner\u00e1ln\u00ed silik\u00e1t \u2014 sl\u00edda \u2014 drcen\u00e1 na velmi jemn\u00fd pr\u00e1\u0161ek. P\u0159irozen\u00e1 mika je b\u00edl\u00e1 nebo pr\u016fsvitn\u00e1. Komer\u010dn\u011b prod\u00e1van\u00e1 mika pro kosmetiku je povrchov\u011b povlakov\u00e1na oxidy kov\u016f (titanium dioxide, iron oxides) nebo syntetick\u00fdmi fluorescen\u010dn\u00edmi barvami \u2014 to d\u00e1v\u00e1 myce jej\u00ed barevn\u00fd efekt a metalick\u00fd lesk.<\/p>\n<p><strong>Vlastnosti:<\/strong><\/p>\n<ul>\n<li>Jemn\u00e1 textura, hladk\u00e9 rozet\u0159en\u00ed<\/li>\n<li>Metalick\u00fd nebo perle\u0165ov\u00fd vzhled<\/li>\n<li>Rozsah barev: stovky odst\u00edn\u016f od b\u00edl\u00e9 p\u0159es zlato, bronz, elektricky modrou, fialovou a\u017e po \u010dernou<\/li>\n<li>V m\u00fddle: ztrat\u00ed metalick\u00fd lesk a stane se matn\u011bj\u0161\u00ed (alkalizace povrchu)<\/li>\n<\/ul>\n<p><strong>Stabilita v CP m\u00fddle:<\/strong> Z\u00e1vis\u00ed na slo\u017een\u00ed. \u010cist\u011b miner\u00e1ln\u00ed miky (iron oxide + mica) jsou stabiln\u00ed. Miky s fluorescen\u010dn\u00edmi barvami (neonov\u00e9, ultravioletov\u00e9) mohou v alkalick\u00e9m prost\u0159ed\u00ed p\u0159ej\u00edt na jinou barvu nebo vybledat.<\/p>\n<p><strong>D\u00e1vkov\u00e1n\u00ed:<\/strong> 1 \u010dajov\u00e1 l\u017ei\u010dka (p\u0159ibli\u017en\u011b 3\u20134 g) na 500 g olej\u016f. Pro metalick\u00fd efekt na povrchu sta\u010d\u00ed m\u00e9n\u011b, pro sytou barvu pr\u016f\u0159ezu pou\u017eijte 2 tsp.<\/p>\n<h3 id=\"jake-jsou-oxidy-kovu-a-proc-jsou-nejstabilnejsi\">Jak\u00e9 jsou oxidy kov\u016f a pro\u010d jsou nejstabiln\u011bj\u0161\u00ed?<\/h3>\n<p>Oxidy jsou anorganick\u00e9 pigmenty \u2014 nejstabiln\u011bj\u0161\u00ed barviva pro CP m\u00fddlo. P\u016fvodn\u011b byly t\u011b\u017eeny z miner\u00e1ln\u00edch lo\u017eisek, dnes jsou synteticky vyr\u00e1b\u011bny pro kosmetick\u00e9 pou\u017eit\u00ed (\u010dist\u0161\u00ed slo\u017een\u00ed bez p\u0159irozen\u00fdch ne\u010distot).<\/p>\n<p><strong>Z\u00e1kladn\u00ed typy:<\/strong><\/p>\n<p><strong>Iron oxides (oxidy \u017eeleza):<\/strong><\/p>\n<ul>\n<li>\u010cerven\u00fd iron oxide (CI 77491): terakota a\u017e \u010dervenohn\u011bd\u00e1<\/li>\n<li>\u017dlut\u00fd iron oxide (CI 77492): syt\u011b \u017elut\u00e1 a\u017e okrov\u00e1<\/li>\n<li>\u010cern\u00fd iron oxide (CI 77499): \u0161ed\u00e1 a\u017e \u010dern\u00e1<\/li>\n<li>Kombinac\u00ed t\u011bchto t\u0159\u00ed dos\u00e1hnete cel\u00e9ho spektra hn\u011bd\u00e9, b\u00e9\u017eov\u00e9 a k\u016f\u017eov\u00e9<\/li>\n<\/ul>\n<p><strong>Ultramarine (ultramar\u00edn):<\/strong><\/p>\n<ul>\n<li>Modr\u00fd ultramar\u00edn (CI 77007): syt\u011b modr\u00fd<\/li>\n<li>Fialov\u00fd ultramar\u00edn: fialov\u00e1<\/li>\n<li>R\u016f\u017eov\u00fd ultramar\u00edn: jemn\u00e1 tepl\u00e1 r\u016f\u017eov\u00e1<\/li>\n<li>Origin\u00e1ln\u011b t\u011b\u017een z lapisu lazuli, dnes syntetick\u00fd<\/li>\n<li>Pozor: ultramarin reaguje s kyselinami \u2014 ve velmi kysel\u00e9m prost\u0159ed\u00ed nebo p\u0159i p\u0159id\u00e1n\u00ed do louhovac\u00edho roztoku se rozkl\u00e1d\u00e1 a m\u016f\u017ee zmizet<\/li>\n<\/ul>\n<p><strong>Chromium oxide green (CI 77288):<\/strong> Stabiln\u00ed tmav\u00e1 zelen\u00e1, m\u00edrn\u011b zemit\u00fd t\u00f3n.<\/p>\n<p><strong>Chromium hydroxide green (CI 77289):<\/strong> Syt\u011bji zelen\u00e1, m\u00e9n\u011b zemit\u00e1.<\/p>\n<p><strong>D\u00e1vkov\u00e1n\u00ed oxid\u016f:<\/strong> 0,5\u20131 \u010dajov\u00e1 l\u017ei\u010dka na 500 g olej\u016f. Oxidy jsou intenzivn\u00ed \u2014 mal\u00e9 mno\u017estv\u00ed barv\u00ed siln\u011b. Za\u010dn\u011bte s 0,5 tsp a upravujte.<\/p>\n<h3 id=\"jake-synteticke-pigmenty-jsou-vhodne-a-jake-ne\">Jak\u00e9 syntetick\u00e9 pigmenty jsou vhodn\u00e9 a jak\u00e9 ne?<\/h3>\n<p>Tato kategorie zahrnuje \u0161irokou skupinu organick\u00fdch syntetick\u00fdch barviv:<\/p>\n<p><strong>Chromium-based lakes a syntetick\u00e9 pigmenty:<\/strong> Stabiln\u00ed v m\u00fddle, povolen\u00e9 pro kosmetick\u00e9 pou\u017eit\u00ed dle EU na\u0159\u00edzen\u00ed.<\/p>\n<p><strong>FD&amp;C a D&amp;C barviva:<\/strong> Barviva p\u016fvodn\u011b schv\u00e1len\u00e1 pro potravin\u00e1\u0159stv\u00ed (FD&amp;C) nebo pouze pro kosmetiku a l\u00e9ky (D&amp;C). V\u011bt\u0161ina z nich <strong>NEN\u00cd vhodn\u00e1 pro CP m\u00fddlo<\/strong> \u2014 jsou hydrofiln\u00ed a v alkalick\u00e9m prost\u0159ed\u00ed blednou nebo morfuj\u00ed na neo\u010dek\u00e1van\u00e9 barvy.<\/p>\n<p><strong>V\u00fdjimka:<\/strong> N\u011bkter\u00e9 D&amp;C lakes (pigmentov\u00e9 soli) jsou stabiln\u011bj\u0161\u00ed ne\u017e jejich mate\u0159sk\u00e1 barviva \u2014 ale v\u017edy ov\u011b\u0159te u dodavatele testov\u00e1n\u00ed v alkalick\u00e9m prost\u0159ed\u00ed.<\/p>\n<h2 id=\"jak-otestovat-vhodnost-barviva\">Jak otestovat vhodnost barviva?<\/h2>\n<h3 id=\"co-je-soap-safe-test-a-jak-se-dela\">Co je soap safe test a jak se d\u011bl\u00e1?<\/h3>\n<p>Ne\u017e pou\u017eijete nov\u00e9 barvivo v cel\u00e9 v\u00e1rce, otestujte je:<\/p>\n<p><strong>Postup testov\u00e1n\u00ed:<\/strong><\/p>\n<ol>\n<li>P\u0159ipravte mal\u00fd testovac\u00ed cupcake m\u00fddlo (100 g olej\u016f, 1 tsp barviva).<\/li>\n<li>Po vytvrzen\u00ed a 48 hodin\u00e1ch zkontrolujte barvu \u2014 odpov\u00edd\u00e1 o\u010dek\u00e1v\u00e1n\u00ed?<\/li>\n<li>Po 4 t\u00fddnech zr\u00e1n\u00ed znovu zkontrolujte \u2014 nezm\u011bnila se barva? Nekrv\u00e1c\u00ed pigment?<\/li>\n<li>Zkuste p\u0159et\u0159\u00edt povrch vlhk\u00fdm b\u00edl\u00fdm ru\u010dn\u00edkem \u2014 nezanech\u00e1v\u00e1 skvrny?<\/li>\n<\/ol>\n<p><strong>Krv\u00e1cen\u00ed barev (bleeding):<\/strong> N\u011bkter\u00e9 miky a pigmenty migruj\u00ed do sousedn\u00edch barevn\u00fdch vrstev. Barviva n\u00e1chyln\u00e1 ke krv\u00e1cen\u00ed nejsou vhodn\u00e1 pro v\u00edcebarevn\u00fd design \u2014 lze je pou\u017e\u00edt pouze v jednobarevn\u00e9m m\u00fddle nebo jako posyp povrchu (kde krv\u00e1cen\u00ed nevad\u00ed).<\/p>\n<p><strong>Test krv\u00e1cen\u00ed:<\/strong><\/p>\n<p>Vytvo\u0159te dvoubarevn\u00e9 testovac\u00ed m\u00fddlo \u2014 testovan\u00e9 barvivo vedle b\u00edl\u00e9ho m\u00fddla (titanium dioxide). Po 4 t\u00fddnech \u0159\u00edzn\u011bte a zkontrolujte rozhran\u00ed barev.<\/p>\n<h2 id=\"eu-regulace-kosmetickych-barviv\">EU regulace kosmetick\u00fdch barviv<\/h2>\n<h3 id=\"co-musim-dodrzovat-kdyz-chci-prodavat-mydlo-s-barviv\">Co mus\u00edm dodr\u017eovat, kdy\u017e chci prod\u00e1vat m\u00fddlo s barviv?<\/h3>\n<p>Pro prodej m\u00fddla jako kosmetick\u00e9ho p\u0159\u00edpravku v EU plat\u00ed p\u0159\u00edsn\u00e9 podm\u00ednky pro barviva. Na\u0159\u00edzen\u00ed (ES) \u010d. 1223\/2009 v p\u0159\u00edloze IV obsahuje seznam povolen\u00fdch barviv pro kosmetiku.<\/p>\n<p><strong>Co z toho plyne v praxi:<\/strong><\/p>\n<ul>\n<li>Ka\u017ed\u00e9 barvivo mus\u00ed m\u00edt CI (Colour Index) \u010d\u00edslo a b\u00fdt uvedeno na pozitivn\u00edm seznamu EU<\/li>\n<li>Barviva ozna\u010den\u00e1 jako &#8222;soap colorant&#8220; nebo &#8222;for soap use only&#8220; nemus\u00ed b\u00fdt povolena pro kosmetiku \u2014 ov\u011b\u0159te CI \u010d\u00edslo<\/li>\n<li>Dokumentace k barvivu (SDS \u2014 Safety Data Sheet) mus\u00ed potvrzovat kosmetick\u00e9 pou\u017eit\u00ed<\/li>\n<li>V PIF (Product Information File) mus\u00ed b\u00fdt ka\u017ed\u00e9 barvivo uvedeno s CI \u010d\u00edslem a dokladem o shod\u011b<\/li>\n<\/ul>\n<p><strong>Nej\u010dast\u011bji povolen\u00e9 CI k\u00f3dy v CP m\u00fddle:<\/strong><\/p>\n<table>\n<thead>\n<tr>\n<th>CI \u010d\u00edslo<\/th>\n<th>N\u00e1zev<\/th>\n<th>Pou\u017eit\u00ed<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>CI 77891<\/td>\n<td>Titanium Dioxide<\/td>\n<td>B\u00edl\u00e1<\/td>\n<\/tr>\n<tr>\n<td>CI 77491<\/td>\n<td>Iron Oxide Red<\/td>\n<td>\u010cerven\u00e1\/terakota<\/td>\n<\/tr>\n<tr>\n<td>CI 77492<\/td>\n<td>Iron Oxide Yellow<\/td>\n<td>\u017dlut\u00e1\/okrov\u00e1<\/td>\n<\/tr>\n<tr>\n<td>CI 77499<\/td>\n<td>Iron Oxide Black<\/td>\n<td>\u010cern\u00e1\/\u0161ed\u00e1<\/td>\n<\/tr>\n<tr>\n<td>CI 77007<\/td>\n<td>Ultramarine Blue<\/td>\n<td>Modr\u00e1<\/td>\n<\/tr>\n<tr>\n<td>CI 77742<\/td>\n<td>Manganese Violet<\/td>\n<td>Fialov\u00e1<\/td>\n<\/tr>\n<tr>\n<td>CI 77288<\/td>\n<td>Chromium Oxide Green<\/td>\n<td>Zelen\u00e1<\/td>\n<\/tr>\n<tr>\n<td>CI 77510<\/td>\n<td>Ferric Ferrocyanide<\/td>\n<td>Prusian modr\u00e1<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>V\u017edy kupujte barviva od dodavatel\u016f, kte\u0159\u00ed explicitn\u011b uv\u00e1d\u011bj\u00ed \u201ecosmetic grade&#8220; a p\u0159\u00edslu\u0161n\u00e9 CI \u010d\u00edslo.<\/p>\n<h2 id=\"jak-spravne-pridavat-synteticka-barviva\">Jak spr\u00e1vn\u011b p\u0159id\u00e1vat syntetick\u00e1 barviva?<\/h2>\n<h3 id=\"jaka-je-nejjednodusi-metoda\">Jak\u00e1 je nejjednodu\u0161\u00ed metoda?<\/h3>\n<p><strong>P\u0159edm\u00edch\u00e1n\u00ed v oleji (doporu\u010deno pro miku a oxidy)<\/strong><\/p>\n<p>Syntetick\u00e1 barviva jsou hydrofobn\u00ed (nebo ambifiln\u00ed) \u2014 l\u00e9pe se disperguj\u00ed v oleji ne\u017e ve vod\u011b.<\/p>\n<p><strong>Postup:<\/strong><\/p>\n<ol>\n<li>Odva\u017ete 1\u20132 pol\u00e9vkov\u00e9 l\u017e\u00edce neutr\u00e1ln\u00edho oleje (slune\u010dnicov\u00fd, ricinov\u00fd).<\/li>\n<li>Vsypte barvivo do oleje.<\/li>\n<li>T\u0159ete st\u011brkou nebo dispergujte mini-mix\u00e9rem (kapesn\u00ed ty\u010dov\u00fd mix\u00e9r nebo m\u00fddl\u00e1\u0159sk\u00fd \u0161pachtle) do hladk\u00e9 pasty bez hrudek.<\/li>\n<li>Pastu p\u0159idejte na light trace a d\u016fkladn\u011b vm\u00edchejte.<\/li>\n<\/ol>\n<p><strong>Pro\u010d toto funguje:<\/strong> Olej zabr\u00e1n\u00ed shlukov\u00e1n\u00ed pigmentu a zajist\u00ed rovnom\u011brn\u00e9 zbarven\u00ed cel\u00e9 d\u00e1vky.<\/p>\n<h3 id=\"jsou-alternativni-metody\">Jsou alternativn\u00ed metody?<\/h3>\n<p><strong>P\u0159edm\u00edch\u00e1n\u00ed ve vod\u011b (pro vodou dispergovan\u00e9 pigmenty)<\/strong><\/p>\n<p>N\u011bkter\u00e9 speci\u00e1ln\u00ed pigmenty jsou formulov\u00e1ny jako vodou dispergovan\u00e9 \u2014 jsou pre-mixovan\u00e9 s glycerinem nebo jin\u00fdm nosi\u010dem. Ty lze p\u0159idat p\u0159\u00edmo na trace nebo sm\u00edchat s mal\u00fdm mno\u017estv\u00edm destilovan\u00e9 vody.<\/p>\n<p><strong>P\u0159id\u00e1n\u00ed do louhovac\u00edho roztoku (jen pro stabiln\u00ed barviva)<\/strong><\/p>\n<p>Titanium dioxide a v\u011bt\u0161ina oxid\u016f p\u0159e\u017eije alkalick\u00e9 pH louhu \u2014 lze je dispergovat v mal\u00e9m mno\u017estv\u00ed oleje a p\u0159idat p\u0159ed saponifikac\u00ed. <strong>Ultramarine v louhu nepou\u017e\u00edvejte<\/strong> \u2014 kysel\u00e9 stopy v louhovac\u00edm roztoku (i z vody) mohou zp\u016fsobit degradaci.<\/p>\n<h2 id=\"titanium-dioxide-bila-barva-a-opacita\">Titanium Dioxide: b\u00edl\u00e1 barva a opacita<\/h2>\n<h3 id=\"co-je-titanium-dioxide-a-na-co-se-pouziva\">Co je titanium dioxide a na co se pou\u017e\u00edv\u00e1?<\/h3>\n<p>Titanium dioxide (TiO\u2082, CI 77891) je nejpou\u017e\u00edvan\u011bj\u0161\u00ed b\u00edl\u00fd pigment v m\u00fddla\u0159stv\u00ed. Nejen\u017ee zbarvuje m\u00fddlo b\u00edle \u2014 p\u0159id\u00e1v\u00e1 opacitu a \u201e\u010dist\u00fd&#8220; look.<\/p>\n<p><strong>D\u00e1vkov\u00e1n\u00ed:<\/strong> 1 \u010dajov\u00e1 l\u017ei\u010dka na 500 g olej\u016f pro b\u00edlou. Pro plnou opacitu (vhodn\u00e9 pro vrstven\u00e9 designy) zvy\u0161te na 2 tsp.<\/p>\n<p><strong>Upozorn\u011bn\u00ed \u2014 kurkuma a TiO\u2082:<\/strong> Kurkuma (p\u0159\u00edrodn\u00ed barvivo) reaguje s titanium dioxide a vytv\u00e1\u0159\u00ed zelen\u00e9 nebo olivov\u00e9 skvrny. Nikdy nekombinujte tyto dva pigmenty ve stejn\u00e9 \u010d\u00e1sti m\u00fddla. Pou\u017e\u00edvejte je odd\u011blen\u011b v r\u016fzn\u00fdch vrstv\u00e1ch nebo design mus\u00ed tyto dv\u011b barvy fyzicky odd\u011blovat.<\/p>\n<p><strong>Formy TiO\u2082:<\/strong> Prod\u00e1v\u00e1 se jako such\u00fd pr\u00e1\u0161ek nebo pre-dispergovan\u00fd v glycerinu\/oleji. Pre-dispergovan\u00e1 verze je pohodln\u011bj\u0161\u00ed (m\u00e9n\u011b pr\u00e1\u0161en\u00ed), ale dra\u017e\u0161\u00ed.<\/p>\n<h2 id=\"prehledova-tabulka-syntetickych-barviv\">P\u0159ehledov\u00e1 tabulka syntetick\u00fdch barviv<\/h2>\n<table>\n<thead>\n<tr>\n<th>Barvivo<\/th>\n<th>CI<\/th>\n<th>Barva<\/th>\n<th>Stabilita CP<\/th>\n<th>Krv\u00e1cen\u00ed<\/th>\n<th>D\u00e1vkov\u00e1n\u00ed\/500g<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Titanium Dioxide<\/td>\n<td>77891<\/td>\n<td>B\u00edl\u00e1<\/td>\n<td>V\u00fdborn\u00e1<\/td>\n<td>Ne<\/td>\n<td>1\u20132 tsp<\/td>\n<\/tr>\n<tr>\n<td>Iron Oxide Red<\/td>\n<td>77491<\/td>\n<td>\u010cervenohn\u011bd\u00e1<\/td>\n<td>V\u00fdborn\u00e1<\/td>\n<td>Ne<\/td>\n<td>0,5\u20131 tsp<\/td>\n<\/tr>\n<tr>\n<td>Iron Oxide Yellow<\/td>\n<td>77492<\/td>\n<td>\u017dlut\u00e1\/okrov\u00e1<\/td>\n<td>V\u00fdborn\u00e1<\/td>\n<td>Ne<\/td>\n<td>0,5\u20131 tsp<\/td>\n<\/tr>\n<tr>\n<td>Iron Oxide Black<\/td>\n<td>77499<\/td>\n<td>\u010cern\u00e1\/\u0161ed\u00e1<\/td>\n<td>V\u00fdborn\u00e1<\/td>\n<td>Ne<\/td>\n<td>0,5\u20131 tsp<\/td>\n<\/tr>\n<tr>\n<td>Ultramarine Blue<\/td>\n<td>77007<\/td>\n<td>Modr\u00e1<\/td>\n<td>V\u00fdborn\u00e1*<\/td>\n<td>N\u011bkdy<\/td>\n<td>1\u20132 tsp<\/td>\n<\/tr>\n<tr>\n<td>Ultramarine Violet<\/td>\n<td>77007<\/td>\n<td>Fialov\u00e1<\/td>\n<td>V\u00fdborn\u00e1*<\/td>\n<td>N\u011bkdy<\/td>\n<td>1\u20132 tsp<\/td>\n<\/tr>\n<tr>\n<td>Chromium Oxide<\/td>\n<td>77288<\/td>\n<td>Tmav\u011b zelen\u00e1<\/td>\n<td>V\u00fdborn\u00e1<\/td>\n<td>Ne<\/td>\n<td>0,5\u20131 tsp<\/td>\n<\/tr>\n<tr>\n<td>Mika zlat\u00e1<\/td>\n<td>r\u016fzn\u00e1<\/td>\n<td>Zlat\u00e1\/metalick\u00e1<\/td>\n<td>Dobr\u00e1<\/td>\n<td>N\u011bkdy<\/td>\n<td>1\u20132 tsp<\/td>\n<\/tr>\n<tr>\n<td>Mika neonov\u00e1<\/td>\n<td>r\u016fzn\u00e1<\/td>\n<td>Neonov\u00e1<\/td>\n<td>St\u0159edn\u00ed<\/td>\n<td>Ano<\/td>\n<td>1\u20132 tsp<\/td>\n<\/tr>\n<tr>\n<td>Manganese Violet<\/td>\n<td>77742<\/td>\n<td>Fialov\u00e1<\/td>\n<td>V\u00fdborn\u00e1<\/td>\n<td>Ne<\/td>\n<td>0,5\u20131 tsp<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>*Ultramarine je stabiln\u00ed v hotov\u00e9m m\u00fddle, ale citliv\u00fd na kysel\u00e9 prost\u0159ed\u00ed p\u0159i v\u00fdrob\u011b \u2014 nep\u0159id\u00e1vejte do louhu.<\/p>\n<h2 id=\"jak-michat-pigmenty-na-nove-barvy\">Jak m\u00edchat pigmenty na nov\u00e9 barvy<\/h2>\n<h3 id=\"mohu-michat-oxidy-dohromady\">Mohu m\u00edchat oxidy dohromady?<\/h3>\n<p>Stejn\u011b jako mal\u00ed\u0159sk\u00e9 barvy lze oxidy m\u00edchat k dosa\u017een\u00ed nov\u00fdch odst\u00edn\u016f:<\/p>\n<ul>\n<li>\u010cerven\u00fd + \u017elut\u00fd iron oxide \u2192 oran\u017eov\u00e1\/terakota<\/li>\n<li>\u010cerven\u00fd + \u010dern\u00fd \u2192 tmav\u011b \u010dervenohn\u011bd\u00e1<\/li>\n<li>Modr\u00fd ultramarine + b\u00edl\u00e1 (TiO\u2082) \u2192 sv\u011btle modr\u00e1, pastelov\u00e1<\/li>\n<li>Modr\u00fd + \u010derven\u00fd ultramarine \u2192 fialov\u00e1 (pokud nem\u00e1te p\u0159\u00edmo fialov\u00fd oxide)<\/li>\n<li>\u010cern\u00fd + b\u00edl\u00fd \u2192 \u0161ed\u00e1 (r\u016fzn\u00e9 intenzity dle pom\u011bru)<\/li>\n<\/ul>\n<p><strong>Tip:<\/strong> V\u017edy testujte m\u00edch\u00e1n\u00ed v mal\u00e9m mno\u017estv\u00ed oleje p\u0159ed p\u0159id\u00e1n\u00edm do cel\u00e9 v\u00e1rky. V\u00fdsledn\u00e1 barva m\u016f\u017ee b\u00fdt jin\u00e1 ne\u017e na pap\u00ed\u0159e \u2014 alkalick\u00e9 prost\u0159ed\u00ed m\u00fddla m\u016f\u017ee posunout odst\u00edn.<\/p>\n<h2 id=\"nejcastejsi-chyby-s-miky-a-pigmenty\">Nej\u010dast\u011bj\u0161\u00ed chyby s miky a pigmenty<\/h2>\n<h3 id=\"jake-chyby-se-vyskytuji-nejcasteji\">Jak\u00e9 chyby se vyskytuj\u00ed nej\u010dast\u011bji?<\/h3>\n<p><strong>Hrudky v m\u00fddle:<\/strong> P\u0159\u00ed\u010dina \u2014 p\u0159id\u00e1n\u00ed such\u00e9ho pr\u00e1\u0161ku p\u0159\u00edmo na trace bez p\u0159edm\u00edch\u00e1n\u00ed v oleji. \u0158e\u0161en\u00ed: v\u017edy p\u0159edmixujte v oleji.<\/p>\n<p><strong>P\u0159\u00edli\u0161 sv\u011btl\u00e1 barva:<\/strong> D\u00e1vkov\u00e1n\u00ed bylo p\u0159\u00edli\u0161 n\u00edzk\u00e9 nebo byl pigment p\u0159id\u00e1n p\u0159\u00edli\u0161 pozd\u011b (na siln\u00fd trace), kdy se nesta\u010dil rovnom\u011brn\u011b rozpt\u00fdlit. Zvy\u0161te d\u00e1vku nebo p\u0159idejte d\u0159\u00edve.<\/p>\n<p><strong>Krv\u00e1cen\u00ed do sousedn\u00ed vrstvy:<\/strong> Barvivo je n\u00e1chyln\u00e9 ke krv\u00e1cen\u00ed (zejm\u00e9na neonov\u00e9 miky). \u0158e\u0161en\u00ed: testujte p\u0159edem, nebo pou\u017eijte barvivo pouze v jednobarevn\u00e9m m\u00fddle.<\/p>\n<p><strong>\u0160ednut\u00ed modr\u00e9ho ultramarinu:<\/strong> M\u00fddlo bylo p\u0159\u00edli\u0161 tepl\u00e9 nebo kysel\u00e9 stopy ve vod\u011b reagovaly s ultramarinem. Skladujte m\u00fddlo v chladu nebo pou\u017eijte destilovanou vodu.<\/p>\n<h2 id=\"caste-otazky\">\u010cast\u00e9 ot\u00e1zky<\/h2>\n<p><strong>Je mika bezpe\u010dn\u00e1 v m\u00fddle?<\/strong> Ano. Mika je miner\u00e1ln\u00ed slou\u010denina, kter\u00e1 se v topick\u00e9m pou\u017eit\u00ed neabsorbuje poko\u017ekou. EU je povoluje v kosmetice. V\u017edy kupujte kosmetickou miku, ne pr\u016fmyslovou.<\/p>\n<p><strong>Mohu kombinovat p\u0159\u00edrodn\u00ed a syntetick\u00e1 barviva?<\/strong> Ano, \u010dasto se kombinuj\u00ed. P\u0159\u00edrodn\u00ed barviva pro zemit\u00e9 t\u00f3ny, syntetick\u00e9 oxidy pro intenzivn\u00ed barvy. Otestujte kombinaci \u2014 n\u011bkter\u00e1 barviva mohou reagovat (jako kurkuma s TiO\u2082).<\/p>\n<p><strong>Pro\u010d se moje b\u00edl\u00e9 m\u00fddlo s TiO\u2082 po 4 t\u00fddnech trochu za\u017eloutlo?<\/strong> Titanium dioxide je stabiln\u00ed, ale velmi m\u00fddlo se m\u016f\u017ee v pr\u016fb\u011bhu \u010dasu lehce za\u017eloutl\u00e9 vlivem oxidace nesaponifikovan\u00fdch olej\u016f. To nen\u00ed vina pigmentu. P\u0159idejte vitamin\u016f E nebo ROE do receptu, aby se zpomalila oxidace.<\/p>\n<p><strong>Nepou\u017e\u00edv\u00e1m koupit barviva s CI \u010d\u00edsly \u2014 co te\u010f?<\/strong> Kontaktujte prodejce a po\u017e\u00e1dejte CI \u010d\u00edslo a potvrzen\u00ed kosmetick\u00e9ho pou\u017eit\u00ed. Pokud nemohou poskytnout dokumentaci, nejsp\u00ed\u0161e nejde o kosmetickou kvalitu a nem\u016f\u017eete ji bez rizika prod\u00e1vat.<\/p>\n<p><strong>Pro\u010d krv\u00e1c\u00ed n\u011bkter\u00e1 barviva a jin\u00e1 ne?<\/strong> Krv\u00e1cen\u00ed z\u00e1vis\u00ed na povaze pigmentu. N\u011bkter\u00e9 pigmenty, zejm\u00e9na neonov\u00e9 miky a ur\u010dit\u00e9 syntetick\u00e9 barviva, jsou v alkalick\u00e9m m\u00fddle mobiln\u00ed a migruj\u00ed do sousedn\u00edch vrstev. Stabiln\u00ed pigmenty (oxidy, p\u0159\u00edrodn\u00ed j\u00edly) se nepohybuj\u00ed.<\/p>\n<p><strong>Viz tak\u00e9:<\/strong><\/p>\n<ul>\n<li><a href=\"\/cs\/mydlo\/techniky\/prirodni-barviva\/\">P\u0159\u00edrodn\u00ed barviva do m\u00fddla<\/a> \u2014 organick\u00e1 alternativa s ni\u017e\u0161\u00ed stabilitou<\/li>\n<li><a href=\"\/cs\/mydlo\/techniky\/swirl-techniky\/\">Swirl techniky<\/a> \u2014 jak vyu\u017e\u00edt barviva pro dekorativn\u00ed efekty<\/li>\n<li><a href=\"\/cs\/podnikani\/eu-regulace\/\">EU regulace pro v\u00fdrobce<\/a> \u2014 legislativa pro kosmetick\u00e1 barviva<\/li>\n<li><a href=\"\/cs\/mydlo\/problemy\/barevne-problemy\/\">Troubleshooting barevn\u00fdch probl\u00e9m\u016f<\/a> \u2014 \u0159e\u0161en\u00ed konkr\u00e9tn\u00edch z\u00e1vad<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>TL;DR: Syntetick\u00e1 barviva (mika, oxidy, pigmenty) jsou nejspolehliv\u011bj\u0161\u00ed volba pro konzistentn\u00ed, syt\u011b barevn\u00e9 m\u00fddla. Neblednou a neoxiduj\u00ed b\u011bhem zr\u00e1n\u00ed. T\u0159i [&hellip;]<\/p>\n","protected":false},"author":0,"featured_media":0,"parent":17,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"class_list":["post-49","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.7virides.com\/cs\/wp-json\/wp\/v2\/pages\/49","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.7virides.com\/cs\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.7virides.com\/cs\/wp-json\/wp\/v2\/types\/page"}],"replies":[{"embeddable":true,"href":"https:\/\/www.7virides.com\/cs\/wp-json\/wp\/v2\/comments?post=49"}],"version-history":[{"count":2,"href":"https:\/\/www.7virides.com\/cs\/wp-json\/wp\/v2\/pages\/49\/revisions"}],"predecessor-version":[{"id":201,"href":"https:\/\/www.7virides.com\/cs\/wp-json\/wp\/v2\/pages\/49\/revisions\/201"}],"up":[{"embeddable":true,"href":"https:\/\/www.7virides.com\/cs\/wp-json\/wp\/v2\/pages\/17"}],"wp:attachment":[{"href":"https:\/\/www.7virides.com\/cs\/wp-json\/wp\/v2\/media?parent=49"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}