Vol 5, No 2 (2020)
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Published online: 2020-06-15

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A preservative with bleaching and emulsifying effects

Mehrab Dashtdar1, Mohammad Reza Dashtdar, Gazala Afreen Khan1, Elaheh Mojab1, Negar Taheri1
Medical Research Journal 2020;5(2):86-91.

Abstract

In cosmetic products, additives are substances that aren’t consumed as main ingredients, actually, they are added to these products in the processes of preparation, packaging or storage in order to make them safer, improve their appearance, help to present a stable, attractive and easier to apply the product, without being stricken by environmental conditions [1, 2]. The protection and quality of toiletries or medicine products are important elements in regards to the health of the consumers. Adding preservatives to the formulations helps the cosmetic manufacturer achieve the first objective of products i.e. meeting the requirements of the users while being safe under normal conditions of use. Despite advances in manufacturing conditions (raw materials with exhaustive bacteriological controls and manufacturing in sterile areas), and the containers used (single-dose ampoules, opaque and hermetic bottles which are used for precise amount), there is still the possibility of colonizing cosmetics without a preservative in their composition. Principally adding extra compounds as emulsifier and blanching agent causes more noxious compounds in the products, which should be avoided. Hence, it is desirable that some components of the formulation fulfill this function [3]. In our study, a combination of sodium thiosulfate and Citric acid contains emulsifiers and bleaching substances. When this mixture was added to Azadirachta indica (Neem) gum or Acacia Senegal (Gum Arabic), besides the above-mentioned properties, turned these gums into a thickener and stabilizer agent. This formulation can prevent the spreading of microorganisms. It will be shown from the findings and results that this formula can be used as a preservative agent in the cosmetic and pharmaceutical industry with significant emulsifying and bleach potential. The rare side effect of this additive is mild skin hypersensitivity reaction only in sensitive individuals.

Objective: The purpose of the study was to develop a powerful preservative based on synthetic and natural
ingredients, with bleaching and emulsifying effects.

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