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Mineral make up is a cosmetic formulation that brings among its components mineral raw materials such as clayey materials; bentonites clays are most commonly used. The use of bentonite clays from Paraíba state in the development of mineral powder formulations for makeup was the central objective of this work. These clays were also studied in their organophilic form. Initially the physical-chemical characterization of the natural and organophilic bentonite clays was performed, and the results indicated that the clays have a technological profile with cosmetic potential. For the cosmetic formulation 50% of each of the clays and other mineral components were used, giving rise to six different formulations. From these samples, their stable behavior against extreme temperature conditions was studied. The toxicological and microbiological quality control was performed according to the standards described by ANVISA and Brazilian Pharmacopoeia. Samples were tested for ocular irritability investigation by in vitro chicken egg allosteric membrane (HET-CAM) assay, and the microbiological assays were done by the surface plating method. All samples were stable as to their physicochemical characteristics. None of the formulations showed cytotoxicity. The microbiological control ensured the biological safety with absence of bacteria.

Maquiagem mineral desenvolvida a partir de argilas bentoníticas naturais e tratadas organofilicamente