Abstract
The products used in cosmetic formulations are continuously diversifying as a result of researches in the field, which combine the healing and prevention of many skin conditions with the use of natural products such as vegetable extracts and essential oils. Testing the stability and compatibility of new or modified cosmetics is required to ensure that quality standards are met when stored in proper conditions for functionality and aesthetics, to preserve their chemical, microbiological and physical properties. In this study, the stability and compatibility of a new cosmetic product containing lavender essential oil in plastic container-plastic jar 100 mL PPH Polypropylene homopolymer (Moplen HP648T) is tested against the glass receptacle used as a control. The monitored parameters were organoleptic characteristics (appearance, color, fragrance), physicochemical (pH, density), under controlled temperature conditions, and the microbiological ones. The results of this study showed that the tested cosmetic product is compatible with the plastic container; data obtained were comparable with the organoleptic and physicochemical test results obtained in the case of the control sample stored at room conditions.
Highlights
The curative effect of essential oils on mind, body, and spirit has demonstrated its importance for centuries
In order to preserve its properties in cosmetic products it has to be incorporated into well-studied formulations together with compatible components so that the final cosmetic product fulfills the quality standards when stored in proper conditions for functionality and aesthetics, to preserve their chemical, microbiological and physical properties
In order to assess the stability and compatibility of the product with the plastic container, the parameters of the cosmetic product were monitored both in the tested container and in glass containers, used as controls, in identical conditions
Summary
MIHAELA BOGDAN1, LAURA ENDRES1, BIANCA PASCA1, DELIA MIRELA TIT1*, DIANA UIVAROSAN1, DANA MARIA COPOLOVICI2,3*, LOTFI ALEYA4, SIMONA BUNGAU1 1 University of Oradea, Faculty of Medicine and Pharmacy, 29 N. Testing the stability and compatibility of new or modified cosmetics is required to ensure that quality standards are met when stored in proper conditions for functionality and aesthetics, to preserve their chemical, microbiological and physical properties. The stability and compatibility of a new cosmetic product containing lavender essential oil in plastic container-plastic jar 100 mL PPH Polypropylene homopolymer (Moplen HP648T) is tested against the glass receptacle used as a control. The stability and compatibility of a new cosmetic product containing lavender essential oil was tested and stored in a 100 mL volume PPH plastic homopolymer (Moplen HP648T) plastic container. PPH is the result of the specific polymerization of propane using a Ziegler-Natta catalyst, by injection [11,12,13] It appears in granular form, stabilized under normal conditions, having a natural color and very good chemical resistance to various chemical agents, basic or acidic. Our results were compared with those obtained for the same product, stored in a glass container and used as control
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