{"id":24956,"date":"2019-02-06T10:40:56","date_gmt":"2019-02-06T08:40:56","guid":{"rendered":"https:\/\/www.bioecoactual.com\/?p=24956"},"modified":"2025-06-13T13:41:07","modified_gmt":"2025-06-13T11:41:07","slug":"tints-capilars-perjudicials-salut","status":"publish","type":"post","link":"https:\/\/www.bioecoactual.com\/ca\/2019\/02\/06\/tints-capilars-perjudicials-salut\/","title":{"rendered":"Els tints capil\u00b7lars poden ser perjudicials per a la salut?"},"content":{"rendered":"

Un producte de coloraci\u00f3 capil\u00b7lar \u00e9s una barreja d’ingredients capa\u00e7os de canviar el color natural del cabell, ja sigui de forma temporal o permanent. Els ingredients que componen un tint poden ser classificats pel seu origen: sint\u00e8tic<\/strong>, mineral<\/strong> o vegetal<\/strong>. Actualment hi ha aproximadament unes 5.000 subst\u00e0ncies qu\u00edmiques per a la fabricaci\u00f3 de tints capil\u00b7lars, la majoria d’origen sint\u00e8tic.<\/p>\n

\"tintes<\/p>\n

Els tints permanents convencionals, tamb\u00e9 anomenats tints d’oxidaci\u00f3, en la seva aplicaci\u00f3 ocorren dues reaccions qu\u00edmiques. En primer lloc s’obre la capa externa del cabell, la cut\u00edcula, perqu\u00e8 el tint pugui entrar en l’escor\u00e7a capil\u00b7lar i modificar el color de la melanina. Despr\u00e9s es produeix una oxidaci\u00f3 per fixar els pigments sint\u00e8tics. A m\u00e9s si volem aconseguir un to m\u00e9s clar en el nostre cabell, cal decolorar-lo, el que implica oxidar la melanina amb per\u00f2xids.<\/p>\n

Tot aquest proc\u00e9s debilita i deteriora l’estructura del cabell a m\u00e9s de possibles danys en l’organisme a causa que els tints d’oxidaci\u00f3 poden contenir subst\u00e0ncies sensibilitzants en contacte amb el cuir cabellut. Les possibles reaccions adverses van des de les m\u00e9s lleus irritacions cut\u00e0nies, com picors i enrogiment, fins reaccions al\u00b7l\u00e8rgiques m\u00e9s greus.<\/p>\n

Un dels ingredients m\u00e9s irritants en els tints s\u00f3n les amines arom\u00e0tiques, com la parafenilendiamina<\/em> (PPD), permesa per la regulaci\u00f3 europea fins a un 6% del total del producte i present en tints, especialment en colors foscos.<\/p>\n

Un estudi publicat al British Medical Journal el 2007 ha demostrat que s’han multiplicat per dos les reaccions al\u00b7l\u00e8rgiques al PPD1<\/sup>. Per les seves possibles reaccions al\u00b7l\u00e8rgiques, a la Uni\u00f3 Europea els tints capil\u00b7lars que contenen PPD tenen l’obligaci\u00f3 d’advertir en el seu env\u00e0s el seg\u00fcent text: “pot provocar reacci\u00f3 al\u00b7l\u00e8rgica”.<\/p>\n

Altres estudis relacionen tints capil\u00b7lars amb el c\u00e0ncer, per exemple l’estudi del 2017 del professor Kefah Mokbel relaciona l’\u00fas de tints amb PPD amb l’increment de c\u00e0ncers de mama2<\/sup>. Un altre exemple \u00e9s l’estudi realitzat per la Universitat de Helsinki3<\/sup> que va observar un augment del 23% en el risc de c\u00e0ncer de mama entre les dones que es tenyien el cabell en comparaci\u00f3 amb les que no ho feien. Tamb\u00e9 hi ha estudis que no van trobar una relaci\u00f3 directa entre el c\u00e0ncer i els tints capil\u00b7lars i les institucions els segueixen considerant com no cancer\u00edgens, principalment per la manca d’estudis concloents4<\/sup>.<\/p>\n

 <\/p>\n

Col\u00b7lorants capilars d’origen vegetal: alternativa saludable<\/h3>\n

Una alternativa saludable als tints qu\u00edmics s\u00f3n els colorants capil\u00b7lars d’origen vegetal<\/strong>. Aquests s\u00f3n especialment suaus per al cabell i el color perdura durant molt de temps. Estan exempts d’ammines arom\u00e0tiques, pel que les seves possibles reaccions al\u00b7l\u00e8rgiques s\u00f3n menys freq\u00fcents i molt m\u00e9s lleus. I al no oxidar la melanina no debiliten el cabell. \u00danicament s’adhereixen a la capa superficial del cabell, proporcionant un bany de color. Els pigments naturals aporten brillantor al cabell, el color s’aconsegueix amb el to original del cabell combinat amb el colorant vegetal. El resultat \u00e9s un cabell m\u00e9s flexible, amb m\u00e9s volum i m\u00e9s elasticitat.<\/p>\n

Amb els colorants vegetals no podem descolorir el cabell ni passar a una tonalitat m\u00e9s clara: La decoloraci\u00f3 nom\u00e9s \u00e9s possible a trav\u00e9s d’un proc\u00e9s qu\u00edmic (mitjan\u00e7ant per\u00f2xids com el per\u00f2xid d’hidrogen o aigua oxigenada), mitjan\u00e7ant el qual es destrueixen els pigments del cabell . El color resultant dep\u00e8n del color inicial del cabell, del temps d’exposici\u00f3 i de la freq\u00fc\u00e8ncia de l’aplicaci\u00f3. Per tot aix\u00f2, cada coloraci\u00f3 capil\u00b7lar \u00e9s \u00fanica i individualitzada.<\/p>\n

Fonts<\/h4>\n
1 BMJ-British Medical Journal. \"Allergy To Hair Dye Increasing.\" ScienceDaily. 5 de febrer de\u00a0 2007.\u00a0\r\n\r\n2 Does the Use of Hair Dyes Increase the Risk of Developing Breast Cancer? A Meta-analysis and Review of the Literature.\r\n\r\n3 Does Hair Dye Use Increase the Risk of Breast Cancer? A Population-Based Case-Control Study of Finnish Women\r\n\r\n4 Comissi\u00f3 Europea - La UE \u00e9s el mercat m\u00e9s segur del m\u00f3n per als tints capil\u00b7lars<\/pre>\n
Autora:\u00a0<\/strong>Clara Bosch, Enginyera i T\u00e8cnica especialista en cosm\u00e8tica ecol\u00f2gica \u2013 Naturcosmetika\u00a0www.naturcosmetika.com\u00a0<\/strong><\/p>\n
Bio Eco Actual<\/em><\/strong>,\u00a0el teu mensual 100% ecol\u00f2gic<\/em>
\nLlegir\u00a0Bio Eco Actual\u00a0Febrer 2019<\/a><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"
Un producte de coloració capil·lar és una barreja d’ingredients capaços de canviar el color natural del cabell, ja sigui de forma temporal o permanent. Els ingredients que componen un tint poden ser classificats pel seu origen: sintètic, mineral o vegetal. Actualment hi ha aproximadament unes 5.000 substàncies químiques per a la fabricació de tints capil·lars, […]<\/p>\n","protected":false},"author":1,"featured_media":24954,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7165,7166],"tags":[],"class_list":["post-24956","post","type-post","status-publish","format-standard","has-post-thumbnail","category-cosmetica-natural","category-nutricio"],"yoast_head":"\nEls tints capil\u00b7lars poden ser perjudicials per a la salut? - Bio Eco Actual<\/title>\n<meta name=\"description\" content=\"Actualment hi ha aproximadament unes 5.000 subst\u00e0ncies qu\u00edmiques per a la fabricaci\u00f3 de tints capil\u00b7lars, la majoria d'origen sint\u00e8tic\" \/>\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.bioecoactual.com\/ca\/2019\/02\/06\/tints-capilars-perjudicials-salut\/\" \/>\n<meta property=\"og:locale\" content=\"ca_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Els tints capil\u00b7lars poden ser perjudicials per a la salut?\" \/>\n<meta property=\"og:description\" content=\"Actualment hi ha aproximadament unes 5.000 subst\u00e0ncies qu\u00edmiques per a la fabricaci\u00f3 de tints capil\u00b7lars, la majoria d'origen sint\u00e8tic\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.bioecoactual.com\/ca\/2019\/02\/06\/tints-capilars-perjudicials-salut\/\" \/>\n<meta property=\"og:site_name\" content=\"Bio Eco Actual\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/BioEcoActual\/\" \/>\n<meta property=\"article:published_time\" content=\"2019-02-06T08:40:56+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-06-13T11:41:07+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.bioecoactual.com\/wp-content\/uploads\/2019\/02\/tintes_capilares_perjudiciales.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1000\" \/>\n\t<meta property=\"og:image:height\" content=\"667\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Bio Eco Actual\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@bioecoactual\" \/>\n<meta name=\"twitter:site\" content=\"@bioecoactual\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Bio Eco Actual\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.bioecoactual.com\\\/ca\\\/2019\\\/02\\\/06\\\/tints-capilars-perjudicials-salut\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.bioecoactual.com\\\/ca\\\/2019\\\/02\\\/06\\\/tints-capilars-perjudicials-salut\\\/\"},\"author\":{\"name\":\"Bio Eco Actual\",\"@id\":\"https:\\\/\\\/www.bioecoactual.com\\\/#\\\/schema\\\/person\\\/4eb27170188afd2546937159310c0273\"},\"headline\":\"Els tints capil\u00b7lars poden ser perjudicials per a la salut?\",\"datePublished\":\"2019-02-06T08:40:56+00:00\",\"dateModified\":\"2025-06-13T11:41:07+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.bioecoactual.com\\\/ca\\\/2019\\\/02\\\/06\\\/tints-capilars-perjudicials-salut\\\/\"},\"wordCount\":690,\"publisher\":{\"@id\":\"https:\\\/\\\/www.bioecoactual.com\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.bioecoactual.com\\\/ca\\\/2019\\\/02\\\/06\\\/tints-capilars-perjudicials-salut\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.bioecoactual.com\\\/wp-content\\\/uploads\\\/2019\\\/02\\\/tintes_capilares_perjudiciales.jpg\",\"articleSection\":[\"Cosm\u00e8tica Natural\",\"Nutrici\u00f3\"],\"inLanguage\":\"ca-ES\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.bioecoactual.com\\\/ca\\\/2019\\\/02\\\/06\\\/tints-capilars-perjudicials-salut\\\/\",\"url\":\"https:\\\/\\\/www.bioecoactual.com\\\/ca\\\/2019\\\/02\\\/06\\\/tints-capilars-perjudicials-salut\\\/\",\"name\":\"Els tints capil\u00b7lars poden ser perjudicials per a la salut? 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