MICROBIOLOGICAL CHARACTERISTICS OF BLACK SEA LIMAN HEALING MUD USED IN COSMETIC PRODUCTS
Journal Title: Българско списание за обществено здраве (Bulgarian Journal of Public Health) - Year 2017, Vol 0, Issue 3
Abstract
The cosmetic containing natural ingredients of nature that have a positive effect on the skin are very popular and sought after by consumers. The purpose of this study is to identify the microbial qualities of Black Sea mud used in the production of cosmetic products. The microbiological characteristics of natural, heat and preserved specimens of Black Sea mud from the Bourgas Bay region during the period 2014-2017 were investigated. The total count of microorganisms (TCMs) and specific microorganisms in them, according to ISO 17516: 2015, have been determined, using verified ISO methods. It was found that the Black Sea mud has its own microflora and does not contain the specific microorganisms normed for cosmetic products. It does not contain molds and yeasts, but only bacteria in the range of 105 CFU / g, which are slightly affected by its thermal treatment and its treatment with the test preservatives. This makes it a suitable natural substance for cosmetic products. It has been proven that in the surface and depth method of determining TCMs in mud samples or products containing mud results of different order are obtained, and in the surface technique the results received are with an order of magnitude higher. The research has shown that the addition of mud in cosmetic products is completely safe. In order to make full use of its curative and cosmetic properties, it is appropriate for cosmetic products on this basis to draw up and legitimate national specific rates with regard to microorganisms contained therein.
Authors and Affiliations
Vessela Georgieva, Stefka Tepavicharova
Keywords
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