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Pele sensível
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O tema “pele sensível” coloca muitas dúvidas, começando pela sua etiologia e fisiopatologia. Não é uma condição clínica propriamente dita, mas revela-se como problema bastante complexo, multifatorial e de elevada prevalência. Existem outros estados cutâneos cujas definições surgem, por vezes, erradamente associadas com pele sensível, como pele atópica e pele frágil, sendo estes dois estados diferentes do estudado neste trabalho.
A esta “sensibilidade”, apesar de difusa e subjetiva, tem-se procurado associar a alteração da função de barreira, uma das mais básicas funções da pele, que pode ser avaliada pela perda transepidérmica de água (PTEA). Existem, contudo, múltiplos fatores que podem desencadear este problema, como o calor, o frio, vento, sol, químicos, fármacos, entre outros, e nem sempre é fácil identificar o agente causal.
Um indivíduo que afirme ter pele sensível descreve-a associada a diversos e variados sinais e sintomas. Todos estes são subjetivos, o que tem tornado mais difícil a caracterização do problema, existindo a necessidade de criar um teste que forneça dados objetivos, que seja sensível e reprodutível, para que sirva como meio de diagnóstico.
Não obstante, a expressão deste problema é cada vez maior, pois cada vez mais pessoas declaram ter algum tipo de pele sensível. Assim, é de extrema importância tentar cuidar de uma pele que está afetada, tentando, se possível, eliminar o agente que provoca sensibilidade. É não menos importante conhecer os produtos que se aplicam na pele, bem como os efeitos destes sobre a mesma.
No presente trabalho procura-se atualizar o conhecimento sobre este tema tão atual.
The theme "sensitive skin" poses many doubts, starting by its etiology and physiopathology. It is not actually a clinical condition, but still it presents a very complex, multi factorial and prevalent issue. There are other cutaneous states, which are, at times, wrongly connected to sensitive skin, like atopic skin and fragile skin, being the former different from the studied in this thesis. Although this “sensibility” it is diffuse and subjective, it has been tried to associate with barrier function, one of the basic functions of the skin, which can be evaluated through the transepidermal water loss (TEWL). There are, however, multiple factors that can trigger this condition, like the heat, cold, wind, sun, chemicals, pharmaceuticals, among others, and it is not always easy to pinpoint the responsible agent. An individual who claims to have sensitive skin often associates it with many and diverse signs and symptoms. All of these symptoms are subjective, which has made it more difficult to characterize this issue and causing the necessity to develop a test which supplies objective data, which is reproducible and accurate, to employ as a means of diagnosis. Nevertheless, the incidence of this issue is growing, since the number of people claiming to have sensitive skin is increasing. Thus, it is of extreme importance to try to take care of an affected skin, eliminating, if possible, the causing agent. It is equally important to know the products that are applied to the skin, as well as their effects. In this present assignment we look to update the knowledge regarding this current issue.
The theme "sensitive skin" poses many doubts, starting by its etiology and physiopathology. It is not actually a clinical condition, but still it presents a very complex, multi factorial and prevalent issue. There are other cutaneous states, which are, at times, wrongly connected to sensitive skin, like atopic skin and fragile skin, being the former different from the studied in this thesis. Although this “sensibility” it is diffuse and subjective, it has been tried to associate with barrier function, one of the basic functions of the skin, which can be evaluated through the transepidermal water loss (TEWL). There are, however, multiple factors that can trigger this condition, like the heat, cold, wind, sun, chemicals, pharmaceuticals, among others, and it is not always easy to pinpoint the responsible agent. An individual who claims to have sensitive skin often associates it with many and diverse signs and symptoms. All of these symptoms are subjective, which has made it more difficult to characterize this issue and causing the necessity to develop a test which supplies objective data, which is reproducible and accurate, to employ as a means of diagnosis. Nevertheless, the incidence of this issue is growing, since the number of people claiming to have sensitive skin is increasing. Thus, it is of extreme importance to try to take care of an affected skin, eliminating, if possible, the causing agent. It is equally important to know the products that are applied to the skin, as well as their effects. In this present assignment we look to update the knowledge regarding this current issue.
Descrição
Trabalho Final de Mestrado Integrado, Ciências Farmacêuticas, Universidade de Lisboa, Faculdade de Farmácia, 2016
Palavras-chave
Pele sensível Avaliação biométrica Barreira cutânea Perda de água transepidérmica Cosméticos Mestrado Integrado - 2016