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Alerg. inmunol. clin ; 32(1-2): 18-20, 2013. tab, graf
Article in Spanish | LILACS | ID: lil-719894

ABSTRACT

La epidermis es la primera línea de defensa entre el cuerpo y el medioambiente, evitando que irritantes, alérgenos y microbios se penetren en el cuerpo. La capa más superficial se conoce como “mantoácido”. Cambios en el pH de esta capa provoca irritación y alteración de sus funciones. El agua y el jabón entre otros pro ductos cosméticos modifican el pH de 20 jabones de distintas marcas comerciales. Se observaron diferentes grados de alcalinidad entre los jabones estudiados. La mayoría de estos jabones resultaron de elevada alcalinidad, con pH que osciló entre 7.81 y 10.25.


The epidermis is the first line of defense between de body and thee nvironment. The epidermis prevents irritants, allergens and microbes from penetrating into the body. The most superficial layer is called “acidmantle”. The pH changes in this layer result in irritation and alteration of its functions. The pH is modified by water and soap, among other cosmetic products. The pH of 20 soaps of different trade marks was measured. Different alkalinity levels were observed in the studied soaps. Most of these soaps had a high level of alkalinity, with a pH that ranged from 7.81 to10.25.


Subject(s)
Humans , Male , Female , Dermatitis, Atopic , Eczema , Hydrogen-Ion Concentration , Soaps/adverse effects
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