Results 11 to 20 of about 48,877 (239)

Fator de proteção solar: significado e controvérsias Sun protection factor: meaning and controversies [PDF]

open access: yesAnais Brasileiros de Dermatologia, 2011
O Fator de Proteção Solar (FPS) é o principal dado para quantificação da eficácia fotoprotetora de um filtro solar, sendo universalmente aceito. Seu método é baseado na determinação da Dose Eritematosa Mínima (DEM), definida como sendo a menor quantidade
Sergio Schalka   +1 more
doaj   +6 more sources

Ultrafast photoprotective properties of the sunscreening agent octocrylene

open access: goldOptics Express, 2016
Today octocrylene is one of the most common molecules included in commercially available sunscreens. It provides broadband photoprotection for the skin from incident UV-A and UV-B radiation of the solar spectrum. In order to understand how octocrylene fulfils its role as a sunscreening agent, femtosecond pump-probe transient electronic UV-visible ...
Lewis A. Baker   +2 more
openaire   +4 more sources

The Involvement of Xanthone and (E)-Cinnamoyl Chromophores for the Design and Synthesis of Novel Sunscreening Agents. [PDF]

open access: goldInt J Mol Sci, 2020
Popiół J   +10 more
europepmc   +3 more sources

IN VITRO DEMONSTRATION OF DALBERGIA SISSOO (INDIAN ROSEWOOD) METHANOLIC EXTRACTS AS POTENTIAL AGENTS FOR SUNSCREENING AND DNA NICK PREVENTION [PDF]

open access: closed, 2016
Objective: This report is an attempt to evaluate methanolic extracts of leaves, fruits and bark from Dalbergia sissoo for photoprotective and DNA protective potential in vitro and to get an insight into its phytochemical constituents.Methods: Total ...
Shagufta Yasmeen, Promila Gupta
openalex   +2 more sources

Polypodium leucotomos extract in topical and oral photoprotection: ten years of Brazilian experience [PDF]

open access: yesSurgical & Cosmetic Dermatology, 2023
Polypodium leucotomos extract was first described in the literature 55 years ago, demonstrating anti-inflammatory action in dermatoses such as vitiligo and psoriasis.
Sergio Schalka
doaj   +1 more source

Use of lip protecting agents in the prevention of Actinic cheilitis, Herpes labialis and cancer of lip: a systematic review [PDF]

open access: yes, 2021
Background: Actinic cheilitis, herpes labialis and lip cancer are relatively common conditions presenting on the lips associated with exposure to periods of sun exposure and thereby ultraviolet radiation.
Ariyawardana, Anura   +6 more
core   +1 more source

Determination of sun exposure and photoprotection habits in individuals who perform outdoor exercises, in the Venezuelan Andean region

open access: yesIatreia, 2023
Background: Frequent and indiscriminate sun exposure has determined an increase in skin cancer rates globally. In Venezuela, reports evaluating sun exposure practices and the use of photoprotection measures are limited.
Aguasanta González-Delatorre   +3 more
doaj   +1 more source

Prevalence of photoprotection and its associated factors in risk group for skin cancer in Teresina, Piauí [PDF]

open access: yesAnais Brasileiros de Dermatologia, 2017
: Background: The incidence of skin cancer has increased worldwide, particularly melanoma rates, which had a mean development of 2.6 % a year in the last 10 years.
Fernanda Ayres de Morais e Silva Cardoso   +7 more
doaj   +1 more source

Non-use of sunscreen among adults and the elderly in southern Brazil [PDF]

open access: yesAnais Brasileiros de Dermatologia, 2019
Background One of the main prevention methods against skin cancer is the use of sunscreen; however, incidence of this disease has not declined despite prevention campaigns.
Elizabet Saes da Silva   +1 more
doaj   +1 more source

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