{"id":320,"date":"2018-10-25T12:07:30","date_gmt":"2018-10-25T10:07:30","guid":{"rendered":"https:\/\/www.leti.com\/vivetupiel\/?post_type=que-es&#038;p=320"},"modified":"2019-01-17T20:14:52","modified_gmt":"2019-01-17T19:14:52","slug":"ph","status":"publish","type":"que-es","link":"https:\/\/www.leti.com\/dermipedia\/que-es\/ph\/","title":{"rendered":"\u00bfQu\u00e9 es el pH?"},"content":{"rendered":"<p>El pH (del lat\u00edn, pondus hydrogenium, es decir, peso del hidr\u00f3geno) es b\u00e1sicamente una medida del grado de acidez o alcalinidad de una sustancia. Para hacerse una idea, el <a href=\"https:\/\/www.leti.com\/dermipedia\/que-es-ph-piel\/\" target=\"_blank\" rel=\"noopener\">pH<\/a> del agua es 7, las sustancias menores de 7 son \u00e1cidas y las mayores de 7 son alcalinas.<\/p>\n<p>Aunque el pH cut\u00e1neo es \u00e1cido y oscila entre 4.5 y 5.9, \u00e9ste var\u00eda seg\u00fan la edad, sexo, localizaci\u00f3n, factores gen\u00e9ticos raciales y enfermedades de la piel.<\/p>\n<p>La acidez de la piel est\u00e1 definida por un complejo f\u00edsico-qu\u00edmico denominado manto \u00e1cido. \u00c9ste, est\u00e1 formado por una capa gaseosa (CO2 y vapor de agua) y una emulsi\u00f3n l\u00edquido-grasa (agua de sudor y aceites provenientes de <a href=\"https:\/\/www.leti.com\/dermipedia\/que-es\/glandulas-sebaceas\/\" target=\"_blank\" rel=\"noopener\">gl\u00e1ndulas seb\u00e1ceas<\/a> y de procesos de formaci\u00f3n de la piel).<\/p>\n<p>Act\u00faa como un potente protector natural evitando que diferentes tipos de g\u00e9rmenes (bacterias, virus, hongos\u2026) proliferen en la piel. Tambi\u00e9n act\u00faa como protector de la flora normal promoviendo un balance entre la sequedad y el exceso de la grasa cut\u00e1nea.<\/p>\n","protected":false},"excerpt":{"rendered":"\u00bfSabes qu\u00e9 es el pH? Descubre de qu\u00e9 se trata con nosotros.\n","protected":false},"featured_media":321,"template":"","class_list":["post-320","que-es","type-que-es","status-publish","has-post-thumbnail"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.1.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u00bfQu\u00e9 es el pH? - Dermipedia<\/title>\n<meta name=\"description\" content=\"\u00bfSabes qu\u00e9 es el pH? 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