{"id":54588,"date":"2022-01-24T08:00:35","date_gmt":"2022-01-24T07:00:35","guid":{"rendered":"https:\/\/www.bioecoactual.com\/?p=54588"},"modified":"2025-10-05T12:27:12","modified_gmt":"2025-10-05T10:27:12","slug":"nanotecnologia-als-meus-cosmetics","status":"publish","type":"post","link":"https:\/\/www.bioecoactual.com\/ca\/2022\/01\/24\/nanotecnologia-als-meus-cosmetics\/","title":{"rendered":"Nanotecnologia als meus cosm\u00e8tics"},"content":{"rendered":"<p>El Reglament CE 1223\/2009, que regula la cosm\u00e8tica a la UE, defineix \u00abnanomaterial\u00bb com: \u201cun material insoluble o biopersistent fabricat intencionalment que presenta una o m\u00e9s dimensions externes o una estructura interna de l&#8217;ordre d&#8217;1 a 100 nm (nan\u00f2metres).\u201d 1 nan\u00f2metre equival a 0,000001 mil\u00b7l\u00edmetres.<br \/>\n<!--more--><\/p>\n<figure id=\"attachment_54584\" aria-describedby=\"caption-attachment-54584\" style=\"width: 1000px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-54584\" src=\"https:\/\/www.bioecoactual.com\/wp-content\/uploads\/2022\/01\/nanotecnoligia-cosmetica.jpg\" alt=\"nanotecnologia\" width=\"1000\" height=\"667\" srcset=\"https:\/\/www.bioecoactual.com\/wp-content\/uploads\/2022\/01\/nanotecnoligia-cosmetica.jpg 1000w, https:\/\/www.bioecoactual.com\/wp-content\/uploads\/2022\/01\/nanotecnoligia-cosmetica-768x512.jpg 768w, https:\/\/www.bioecoactual.com\/wp-content\/uploads\/2022\/01\/nanotecnoligia-cosmetica-696x464.jpg 696w, https:\/\/www.bioecoactual.com\/wp-content\/uploads\/2022\/01\/nanotecnoligia-cosmetica-630x420.jpg 630w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><figcaption id=\"caption-attachment-54584\" class=\"wp-caption-text\">123rfLimited\u00a9goodluz. Les cremes antiedat sovint utilitzen conservants de plata i or<\/figcaption><\/figure>\n<h2>\u00das i tipus de nanotecnologia aplicada a la cosm\u00e8tica<\/h2>\n<p>Els nanomaterials s&#8217;usen principalment per protegir els ingredients, embolicant-los en forma de ves\u00edcules microsc\u00f2piques, facilitant la seva penetraci\u00f3 a la pell i tamb\u00e9 per crear nous productes que milloren algunes propietats dels cosm\u00e8tics com, per exemple, maquillatges o pintallavis indestructibles o bases que cobreixen qualsevol imperfecci\u00f3 amb una fina capa. El seu \u00fas s&#8217;ha generalitzat en molts cosm\u00e8tics i n&#8217;hi ha de diferents tipus:<\/p>\n<ul>\n<li>Part\u00edcules inorg\u00e0niques: Principalment el di\u00f2xid de titani i \u00f2xid de zinc, \u00e0mpliament utilitzats als protectors solars.<\/li>\n<li>S\u00edlice: Molt freq\u00fcent en pintallavis, maquillatge i pintaungles per fixar els pigments.<\/li>\n<li>Carbon Black CI 77266: Colorant utilitzat principalment en m\u00e0scares d&#8217;ulls.<\/li>\n<li>Materials nano-org\u00e0nics: S\u00f3n filtres solars amb noms complicats com Tris-Biphenyl Triazine i Methylene bis-benzotriazolyl tetramethylbutylphenol (nano) o MBBT.<\/li>\n<li>Nano-Hidroxiapatita. Utilitzada en dentifricis per a dents sensibles.<\/li>\n<li>Plata i or. Usats com a conservants per les seves propietats antibacterianes i antif\u00fangiques especialment en desodorants i cremes antiedat.<\/li>\n<li>Nanoliposomes: S&#8217;usen per protegir principis actius i augmentar-ne la permeabilitat a trav\u00e9s de la pell. Tamb\u00e9 s&#8217;usen per incloure frag\u00e0ncies en esprais desodorants i pintallavis.<\/li>\n<li>Nanopart\u00edcules de l\u00edpids s\u00f2lids (SLN) i portadors de l\u00edpids nanoestructurats (NLC). Serveixen per augmentar la penetraci\u00f3 dels cosm\u00e8tics a la pell, especialment en productes hidratants.<\/li>\n<li>Nanoc\u00e0psules. Es fan servir per protegir, per resoldre incompatibilitats de diversos ingredients dins d&#8217;un mateix producte o per disminuir l&#8217;olor d&#8217;alguns ingredients qu\u00edmics.<\/li>\n<li>Dendrimers: S\u00f3n pol\u00edmers que faciliten que els ingredients d&#8217;un cosm\u00e8tic penetrin a trav\u00e9s de la pell i es fan servir en xamp\u00fas i desodorants.<\/li>\n<li>Nanomulsions. Es fan servir per obtenir emulsions m\u00e9s estables i transparents.<\/li>\n<li>Argiles. Molt utilitzades en cosm\u00e8tica natural principalment com a pigments<\/li>\n<\/ul>\n<blockquote><p>La norma de cosm\u00e8tica econatural BioVidaSana no accepta les nanopart\u00edcules en els ingredients utilitzats<\/p><\/blockquote>\n<h3>Qu\u00e8 hi diu el reglament?<\/h3>\n<p>El Reglament obliga a declarar-los a la llista d&#8217;ingredients de l&#8217;etiqueta afegint al costat del nom el terme \u201cnano\u201d com ara Zinc Oxide (nano). Mentre algunes investigacions demostren la seva innocu\u00eftat a curt termini, no hi ha prou estudis cient\u00edfics que demostrin la seva innocu\u00eftat a llarg termini. Alguns estudis tamb\u00e9 detecten riscos potencials. Investigacions sobre el negre de carb\u00f3 en forma de nanopart\u00edcules van mostrar m\u00e9s citotoxicitat i inflamaci\u00f3 que en mides m\u00e9s grans. Al MBBT s&#8217;han descrit possibles efectes d&#8217;irritaci\u00f3 i bioacumulaci\u00f3 potencial en determinats teixits. Els resultats s\u00f3n molt variables ja que depenen de molts factors com el tipus de pell, si la pell est\u00e0 sana o malmesa o la pres\u00e8ncia de m\u00e9s o menys fol\u00b7licles pilosos, una de les principals vies d&#8217;acc\u00e9s dels ingredients a les capes m\u00e9s profundes.<\/p>\n<blockquote><p>No hi ha prou estudis cient\u00edfics que demostrin la seva innocu\u00eftat a llarg termini<\/p><\/blockquote>\n<p>Degut als dubtes raonables respecte a la seva innocu\u00eftat, la norma de cosm\u00e8tica econatural BioVidaSana no accepta les nanopart\u00edcules en els ingredients utilitzats i es comprova sempre la mida de les part\u00edcules dels ingredients minerals, que seria l&#8217;\u00fanica forma que una nanopart\u00edcula es trob\u00e9s en un producte certificat.<\/p>\n<p><strong>Autores<\/strong>: Nuria Alonso, Certificaci\u00f3 BioVidaSana i Montse Escutia, Xarxa Ecoest\u00e9tica<\/p>\n<p><a href=\"https:\/\/www.bioecoactual.com\/ca\/subscripcio\/\" target=\"_blank\" rel=\"noopener noreferrer\"><strong>Subscriu-te<\/strong><\/a><strong> a la Newsletter i rep cada mes Bio Eco Actual gratis al teu correu<\/strong><\/p>\n<p><strong><em>Bio Eco Actual<\/em>, <em>el teu mensual 100% ecol\u00f2gic<\/em><br \/>\nLlegir <\/strong><a href=\"https:\/\/www.bioecoactual.com\/wp-content\/uploads\/2021\/12\/BioEcoActual_Gener_2022.pdf\" target=\"_blank\" rel=\"noopener noreferrer\"><strong>Bio Eco Actual Gener 2022<\/strong><\/a><\/p>\n<p><iframe style=\"border: none; width: 100%; height: 520px;\" src=\"\/\/e.issuu.com\/embed.html?d=bioecoactual_gener_2022&amp;hideIssuuLogo=true&amp;showOtherPublicationsAsSuggestions=true&amp;u=bioecoactual\" allowfullscreen=\"allowfullscreen\"> <\/iframe><\/p>\n","protected":false},"excerpt":{"rendered":"<p>El Reglament CE 1223\/2009, que regula la cosm&egrave;tica a la UE, defineix &laquo;nanomaterial&raquo; com: &ldquo;un material insoluble o biopersistent fabricat intencionalment que presenta una o m&eacute;s dimensions externes o una estructura interna de l&rsquo;ordre d&rsquo;1 a 100 nm (nan&ograve;metres).&rdquo; 1 nan&ograve;metre equival a 0,000001 mil&middot;l&iacute;metres.<\/p>\n","protected":false},"author":419,"featured_media":54585,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7165],"tags":[],"class_list":["post-54588","post","type-post","status-publish","format-standard","has-post-thumbnail","category-cosmetica-natural"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.0 (Yoast SEO v28.0) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Nanotecnologia als meus cosm\u00e8tics - Bio Eco Actual<\/title>\n<meta name=\"description\" content=\"L&#039;\u00fas de la nanotecnologia s&#039;ha generalitzat en molts cosm\u00e8tics. 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