Remedies for perspiration
Deo’s are products for unpleasant body odour. Sweat as such may be odourless but this quickly changes once skin bacteria break it down. In this process one of the ingredients formed is fatty acid such as butyric acid or caproic acid which are responsible for the characteristically unpleasant body odour.
To suppress the bacteria, the deodorants contain for example triclosan, chlorhexidine compounds or triclocarban. Furthermore, farnesol and phenoxyethanol as well as eugenol, menthol or thymol are also being used. These typical ingredients of aetheric oils spread in addition a pleasant odour.
Enzyme inhibitors such as Triethylcitrate or zinc glycine are used to prevent enzymatic reactions in the bacteria and thus the perspiration breakdown. In addition, deodorants contain scents as well as so called odour absorbers, which coat the perspiration’s decomposition products so that they cannot be perceived by the olfactory cells. A commonly used odour absorber is the zinc salt from the ricinoleic acid (zinc rizinoleat). To avoid as much as possible destroying the skin bacteria’s ecological balance and irritation of the skin, substances are used in concentrations that will inhibit the bacteria’s growth but do not act bactericidal. The products mostly also contain alcohol. It has a cooling effect as well as acting antimicrobial. Deodorants are suitable for users who do not perspire much. The products ensure a pleasant odour, but do not influence the sweat production.
For those with a strong sweat production, antiperspirants are the right choice as they reduce the amount of sweat. In technical terms these are also referred to as antihidrotics or antiperspirants. The active substances these products usually contain are aluminium salts such as aluminium chloride hexahydrate or -acetate, and in addition substances that absorb and/or blanket the odour. Aluminium salts react with the proteins of the epithelial cells in the excretory ducts. This forms a clot which closes the excretory ducts and reduces the sweat production. The effect lasts until the epithelial cells are desquamated.
Drugstore products usually contain aluminium chloride in a concentration of one to two percent. Higher dosed products are available in the pharmaceutical-medical field. Aluminium chloride is for example contained in Ansudor®, Medisan® und Odaban®.
Dermatologists mostly prescribe preparations of between 10 and 30 percent aluminium chloride. In some pharmacies, antiperspirants are often found as prescription drugs. The NRF contains three aluminium chloride recipes: a cooling solution containing 2-propanol, a watery gel for sensitive or irritated skin areas as well as a viscose watery solution for application by a roll-on deodorant.
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