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Copyright @ Pol J Cosmetol
Pol J Cosmetol 2012, 15(4): 241-245pl  Hyaluronic acid - the golden mean in cosmetology and medicineAleksandra Zielińska, Joanna Gościańska, Anna Olejnik, Izabela Nowak Wydział Chemii, Uniwersytet im. Adama Mickiewicza w Poznaniu Summary The Hyaluronic Acid (HA) - transparent, glossy substance of dense consistency and it performs many important biological functions not only in bacterias but also in human beings. Today, it is famous for its unique moisturizing properties, through them it is possible to regenerate damaged epidermic barrier. Moreover, as a component of creams it effectively neutralizes free radicals, thus it delays the aging process. Because of the comprehensive action, hyaluronic acid is widely used in many branches of medicine in the fight against many ailments. HA is used as a tissue filler, is considered to be the golden mean in aesthetic medicine now and is widely used in this field. Currently, studies are being conducted on an in-depth knowledge of the properties of HA, as well as the rate of its penetration into the lowest layers of the skin during application. Thanks to these researches it can elaborate cosmetics, which will be characterized by a maximum occlusive properties that significantly reduce transepidermal water loss. The following article shows that hyaluronic acid is a true antidote, which existed for a long time, but the world heard about it only in the 90s. This linear polymer of D-glucuronic acid (GlcA) and N-acetyl-D-glucosamine (GlcN-Ac) is also a component of human tear liquid. It can not only keep the youth effectively, but also helps in the fight against skin imperfections, that may occur regardless of age in every person. Key words: hyaluronic acid, HA, conditioning the skin, aging, moisturizing cosmetics |