{"id":2039,"date":"2018-01-09T11:14:39","date_gmt":"2018-01-09T11:14:39","guid":{"rendered":"http:\/\/epidermos.com\/?p=2039"},"modified":"2019-06-13T09:30:59","modified_gmt":"2019-06-13T09:30:59","slug":"vitamina-c-e-isoflavonas-tus-aliados-frente-a-los-radicales-libres","status":"publish","type":"post","link":"https:\/\/epidermos.com\/en\/vitamina-c-e-isoflavonas-tus-aliados-frente-a-los-radicales-libres\/","title":{"rendered":"Vitamina C e Isoflavonas, tus aliados frente a los radicales libres"},"content":{"rendered":"<p>Las c\u00e9lulas del cuerpo generan como productos de su propio metabolismo unas sustancias inestables que conocemos como radicales libres. En situaciones de estr\u00e9s (ps\u00edquico o f\u00edsico) la formaci\u00f3n de estos radicales libres se incrementa, y en mayor medida como consecuencia de la exposici\u00f3n a agresiones externas como la radiaci\u00f3n solar, el tabaco o la contaminaci\u00f3n. El ac\u00famulo de estos radicales libres dentro de la c\u00e9lula provoca oxidaci\u00f3n excesiva de los tejidos (<strong>estr\u00e9s oxidativo<\/strong>) y con ello posible alteraci\u00f3n de sus funciones o de su aspecto, como es en el caso de la piel.<\/p>\n<p><img decoding=\"async\" src=\"http:\/\/epidermos.com\/images\/uploads\/2018\/01\/09\/large\/estres_oxidativo.jpg\" alt=\"estres_oxidativo.jpg\" \/><\/p>\n<p>El cuerpo posee un sistema innato de defensa frente a este estr\u00e9s celular y tisular, pero puede verse desbordado. La administraci\u00f3n t\u00f3pica de antioxidantes puede proporcionar una ayuda adicional a esos mecanismos de defensa propios.<\/p>\n<p><strong>La vitamina C (\u00e1cido asc\u00f3rbico)<\/strong> es uno de los antioxidantes m\u00e1s eficaces y abundantes en la piel humana. Se ha demostrado su capacidad antioxidante tanto en su administraci\u00f3n por v\u00eda oral como t\u00f3pica. Act\u00faa reduciendo la degeneraci\u00f3n celular y la inmunosupresi\u00f3n provocadas por la radiaci\u00f3n ultravioleta. Ayuda tambi\u00e9n a incrementar las fibras de col\u00e1geno, estabiliz\u00e1ndolas, aumentando su s\u00edntesis e inhibiendo su degradaci\u00f3n, por lo que contribuye a evitar la flaccidez cut\u00e1nea. Adem\u00e1s, inhibe la formaci\u00f3n excesiva de melanina.<\/p>\n<p>Por todas estas cualidades es un principio activo excelente para la prevenci\u00f3n y el tratamiento del fotoenvejecimiento (manchas solares y arrugas finas) y del melasma.<\/p>\n<p>Si bien es una mol\u00e9cula altamente inestable, los avances en nanotecnolog\u00eda y su formulaci\u00f3n en liposomas han simplificado su aplicaci\u00f3n t\u00f3pica y mejorado su penetrabilidad en la piel.<\/p>\n<p>&nbsp;<\/p>\n<p><img decoding=\"async\" src=\"http:\/\/epidermos.com\/images\/uploads\/2018\/01\/09\/large\/vitamina_c.jpg\" alt=\"vitamina_c.jpg\" \/><\/p>\n<p>De forma similar act\u00faan <strong>las isoflavonas<\/strong> aplicadas por v\u00eda t\u00f3pica. Poseen un efecto fotoprotector gracias a su acci\u00f3n antioxidante, actuando de forma aislada pero tambi\u00e9n potenciando la acci\u00f3n de otros antioxidantes como la vitamina C o la E. Por otra parte, las isoflavonas t\u00f3picas han demostrado ser potentes estimulantes de la matriz extracelular, incrementando el col\u00e1geno, la elastina y fibrilina, ayudando en casos de flacidez y p\u00e9rdida de volumen como es el caso de la piel postmenop\u00e1usica. Han llegado a ser consideradas rivales del retinol, considerado principio activo antienvejecimiento por excelencia, sin efectos secundarios evidentes.<\/p>\n<p>&nbsp;<\/p>\n<p>Dra. Isabel Mart\u00ednez de Pablo<\/p>\n<p><em>Epidermos Barcelona<\/em><br \/>\n<em>Dermatolog\u00eda y Est\u00e9tica<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Las c\u00e9lulas del cuerpo generan como productos de su propio metabolismo unas sustancias inestables que conocemos como radicales libres. En situaciones de estr\u00e9s (ps\u00edquico o f\u00edsico) la formaci\u00f3n de estos radicales libres se incrementa, y en mayor medida como consecuencia &hellip; <a class=\"kt-excerpt-readmore\" href=\"https:\/\/epidermos.com\/en\/vitamina-c-e-isoflavonas-tus-aliados-frente-a-los-radicales-libres\/\" aria-label=\"Vitamina C e Isoflavonas, tus aliados frente a los radicales libres\">Read More<\/a><\/p>\n","protected":false},"author":2,"featured_media":2040,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"kt_blocks_editor_width":"","footnotes":""},"categories":[96,137],"tags":[],"class_list":["post-2039","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-dermatologia","category-verdades-y-mentiras-en-cirugia-estetica"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Vitamina C e Isoflavonas, tus aliados frente a los radicales libres - Epidermos Instituto de dermoest\u00e9tica<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/epidermos.com\/vitamina-c-e-isoflavonas-tus-aliados-frente-a-los-radicales-libres\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Vitamina C e Isoflavonas, tus aliados frente a los radicales libres - Epidermos Instituto de dermoest\u00e9tica\" \/>\n<meta property=\"og:description\" content=\"Las c\u00e9lulas del cuerpo generan como productos de su propio metabolismo unas sustancias inestables que conocemos como radicales libres. En situaciones de estr\u00e9s (ps\u00edquico o f\u00edsico) la formaci\u00f3n de estos radicales libres se incrementa, y en mayor medida como consecuencia &hellip; Read More\" \/>\n<meta property=\"og:url\" content=\"https:\/\/epidermos.com\/vitamina-c-e-isoflavonas-tus-aliados-frente-a-los-radicales-libres\/\" \/>\n<meta property=\"og:site_name\" content=\"Epidermos Instituto de dermoest\u00e9tica\" \/>\n<meta property=\"article:published_time\" content=\"2018-01-09T11:14:39+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2019-06-13T09:30:59+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/epidermos.com\/wp-content\/uploads\/2019\/03\/antioxidantes.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"700\" \/>\n\t<meta property=\"og:image:height\" content=\"501\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Marc Grau\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Marc Grau\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/epidermos.com\/vitamina-c-e-isoflavonas-tus-aliados-frente-a-los-radicales-libres\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/epidermos.com\/vitamina-c-e-isoflavonas-tus-aliados-frente-a-los-radicales-libres\/\"},\"author\":{\"name\":\"Marc Grau\",\"@id\":\"https:\/\/epidermos.com\/ca\/#\/schema\/person\/5411bc34794b869b46cb913e10fc1a61\"},\"headline\":\"Vitamina C e Isoflavonas, tus aliados frente a los radicales libres\",\"datePublished\":\"2018-01-09T11:14:39+00:00\",\"dateModified\":\"2019-06-13T09:30:59+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/epidermos.com\/vitamina-c-e-isoflavonas-tus-aliados-frente-a-los-radicales-libres\/\"},\"wordCount\":429,\"image\":{\"@id\":\"https:\/\/epidermos.com\/vitamina-c-e-isoflavonas-tus-aliados-frente-a-los-radicales-libres\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/epidermos.com\/wp-content\/uploads\/2019\/03\/antioxidantes.jpg\",\"articleSection\":[\"Dermatolog\u00eda\",\"Verdades y mentiras en cirug\u00eda est\u00e9tica\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/epidermos.com\/vitamina-c-e-isoflavonas-tus-aliados-frente-a-los-radicales-libres\/\",\"url\":\"https:\/\/epidermos.com\/vitamina-c-e-isoflavonas-tus-aliados-frente-a-los-radicales-libres\/\",\"name\":\"Vitamina C e Isoflavonas, tus aliados frente a los radicales libres - 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