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Pol J Cosmetol 2008, 11(1): 9-24pl,en  Biological activity of elements in aspect of skin physiology and use in cosmetology. Part I. MicroelementsRomuald Czerpak, Agata Jabłońska-Trypuć Zakład Nauk Biologicznych, Wyższa Szkoła Kosmetologii i Ochrony Zdrowia w Białymstoku Summary Homeostasis of microelements is important for normal functioning of the organism. Iron, zinc, copper, manganese are the components of metal-protein compounds, participating in redox processes, and of enzymes taking part in the metabolism of proteins, carbohydrates, and lipids. Molybdenum is a component of metal-enzymes. Chromium stabilizes the level of saccharides and stimulates energetic changes in mitochondria. Cobalt occurs in vitamin B12. Nickel is inevitable in metabolism of proteins, saccharides, and lipids. Selenium is an antioxidant of antimutagenic properties. Boron activates hormones biosynthesis. Vanadium is essential in metabolism of saccharides, lipids, and steroids. Silicon plays a role in the formation of the skeleton and keratin in epidermal products. Iodine is required for the biosynthesis of thyroid hormones. Fluorine is a component of enamel. Lithium is used in the treatment of the central nervous system. Aluminum is widely used in antiperspirant preparations. Tungsten is in antagonism to molybdenum. Titanium, in trace amounts, is beneficial for the production of epidermis and hair. Silver, gold, and platinum activate certain metabolic processes and have anti-inflammatory and anti-rheumatic effects. Key words: microelements, zinc, copper, manganese, iron, chromium, silicon |