Skin Hydration
Mostrando 13-24 de 29 artigos, teses e dissertações.
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13. Desenvolvimento e avaliação clínica dos efeitos de formulações dermocosméticas contendo dimetilaminoetanol ou acetil hexapeptídeo-3 / Development and clinical evaluation of the effects of dermocosmetic formulations containing dimethylaminoetanol or acetyl hexapeptide-3.
Dimethylaminoethanol (DMAE) and acetyl hexapeptide-3 (AHP) have been used in dermocosmetic formulations for anti-aging purposes. However, few scientific papers are concerned about the effects of these active substances on cutaneous tissue. Thus, the aim of the present study is the development, evaluation of physical stability, safety and clinical efficacy of
Publicado em: 2009
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14. Efeito do protetor solar sobre a fadiga durante a corrida com exposição ao sol
Sunscreens may be water and sweat resistant, but it is unknown if they affect the production, secretion and evaporation of sweat and, hence, impair human thermoregulation. During prolonged or mild duration exercises, mainly those carried out in hot environments, thermoregulation plays a key role in the development of fatigue. If sunscreens indeed interfere w
Publicado em: 2009
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15. LesÃes de pele em recÃm-nascidos na unidade de terapia intensiva neonatal / Skin wounds in newborns hopitalized in neonatal intensive care unite
Infants in the Neonatal Intensive Care Unit (NICU) often get skin lesions on account of the many stressful procedures they are exposed to. This prospective, quantitative and descriptive study was carried out at a public health facility in Fortaleza (Northeastern Brazil) from March to May 2007, in order to investigate skin lesion patterns in infants in the NI
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 04/04/2008
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16. Application of peptides in cosmetics: development of formulations, stability and efficacy / Aplicação de peptídeos em cosméticos: desenvolvimento de formulações, estabilidade e eficácia
The aim of this study was the development, evaluation of the stability and the efficacy of cosmetic formulations containing acetyl hexapeptide-3 (AHP), or acetyl tetrapeptide-5 (ATP) or mixture of di- and peptides (DTP). For this purpose the 6 following formulations (F) were developed: F1- containing hydroxyethyl cellulose (HEC), methylphenyl polysiloxane (M
Publicado em: 2008
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17. Development and clinical studies using instrumental methods of topical formulations containing fermented soybean extract / Desenvolvimento e estudo de eficácia clínica por métodos instrumentais de bases de uso tópico contendo extrato de soja fermentado
Facial masks are used since antiquity and, currently, its use has spread according to their multifunctional characteristics. Among the effects attributed to these preparations there are deep cleaning; invigorating, stringent, moisturizing and tensor actions and well-being sense. They can be classified according to their application, components or risk degree
Publicado em: 2008
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18. Development of cosmetic formulations containing panthenol and evaluation of their hydration effects on human skin by using Skin Bioengineering Techniques / Desenvolvimento de formulações cosméticas contendo pantenol e avaliação dos seus efeitos hidratantes na pele humana por bioengenharia cutânea
Vitamins have been extensively used in cosmetic formulations and panthenol, which is vitamin that is a normal constituent of the skin and has humectants and wound healing effects, has large application in this category of products. Due to the importance of the conduction of studies that contribute to the assessment of the influences of the vitamins on the ph
Publicado em: 2006
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19. Thermoregulation in hypertensive men exercising in the heat with water ingestion
Hydration is recommended in order to decrease the overload on the cardiovascular system when healthy individuals exercise, mainly in the heat. To date, no criteria have been established for hydration for hypertensive (HY) individuals during exercise in a hot environment. Eight male HY volunteers without another medical problem and 8 normal (NO) subjects (46
Brazilian Journal of Medical and Biological Research. Publicado em: 2004-03
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20. Avaliação da influência de tensoativos na pele de muda de cobra (Bothrops jararaca e Spilotis pullatus) por espectroscopia fatoacústica no infravermelho, calorimetria exploratória diferencial e espectroscopia Raman / Evaluation of the influence of surfactants on the stratum corneum of shed snake skin (Bothrops jararaca and Spilotis pullatus) by photoacoustic spectroscopy, differential scanning calorimetry and Raman spectroscopy
The influence of the surfactants sodium lauryl sulfate, cetyl trimethyl ammonium chloride and lauryl alcohol ethoxylate (12 moles ethylene oxide) was evaluated on the stratum corneum of shed snake skin (Bothrops jararaca and Spilotis pullatus) through the biophysical techniques PAS-FTIR, FT-Raman and DSC. The surfactants were used in solutions above and belo
Publicado em: 2004
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21. Effects of submaximal exercise with water ingestion on intraocular pressure in healthy human males
The effects of exercise and water replacement on intraocular pressure (IOP) have not been well established. Furthermore, it is not known whether the temperature of the fluid ingested influences the IOP response. In the present study we determined the effect of water ingestion at three temperatures (10, 24 and 38ºC; 600 ml 15 min before and 240 ml 15, 30 and
Brazilian Journal of Medical and Biological Research. Publicado em: 2002-01
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22. Development and evaluation of topical formulation containing solid lipid nanoparticles of vitamin A
The purpose of this research was to investigate novel particulate carrier system such as solid lipid nanoparticles (SLN) for topical application of vitamin A palmitate and to study its beneficial effects on skin. Topical gels enriched with SLN of vitamin A were prepared. The solid lipid nanoparticulate dispersion was prepared using high-pressure homogenizati
Springer-Verlag.
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23. Effect of gramicidin on percutaneous permeation of a model drug
This study investigated the enhancement effect of gramicidin, a cationic ionophore, on percutaneous absorption of a model drug, benzoic acid (BA), through rat abdominal skin. The mechanisms by which gramicidin increased skin permeability to BA were also investigated. Degree of hydration measured by the Karl Fisher method, the concentration gradient measured
Springer-Verlag.
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24. Glycerol replacement corrects defective skin hydration, elasticity, and barrier function in aquaporin-3-deficient mice
Mice deficient in the epidermal water/glycerol transporter aquaporin-3 (AQP3) have reduced stratum corneum (SC) hydration and skin elasticity, and impaired barrier recovery after SC removal. SC glycerol content is reduced 3-fold in AQP3 null mice, whereas SC structure, protein/lipid composition, and ion/osmolyte content are not changed. We show here that
National Academy of Sciences.