Студенттер мен жас ғалымдардың «фараби әлемі» атты халықаралық ғылыми конференциясы
EFFECT OF SURFACTANT CONCENTRATION ON THE COSMETIC
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Сборник конф Фараби Әлемі 2023 химфак-печать
| EFFECT OF SURFACTANT CONCENTRATION ON THE COSMETIC
EMULSIONS STABILITY Narmukhamedova A.T. Supervisor: Adilbekova A.O. Al-Farabi Kazakh National University aminanarmukhamedova@gmail.com The biodiversity of medicinal plants in Kazakhstan makes it possible to obtain natural extracts and successfully commercialize the market. Despite this, cosmetic care products with the addition of these extracts are not presented on the market and in this regard, the sphere of natural cosmetic products in Kazakhstan is free and has great potential. Speaking about the difficulties of working procedure with these extracts, it is quite difficult to create a stable emulsion with the addition of natural oil extracts and that is why usage oils of endemic plants in cosmetic and cosmeceutical need required special studies. Hair conditioner with natural oil extracts is the great example of O/W cosmetic emulsions, which should be stabilized with anionic and mostly cationic surfactants. Also, cationic surfactants have antistatic activity, which obtained by neutralization of shampoo’s anionic surfactants effect on the surface of hair. Cetrimonium chloride is a common cationic surfactant used in hair conditioners. Polyquaterrnium-7 is cationic surfactant, and structure of it contains positively charged nitrogen atom, which helps to provide the damage repairing function due to the van der Wal interaction with hair surface. Yellow rose oil and polyphytic oil from company “Fitoleum” are the pure products which are created by using the endemic plant of Zailiysky Alatau and act as the oil phase for emulsion. Samples with several ratios of water phase, oil phase and surfactants were tested on their stability by 2 methods: determination of thermal stability by using thermostat and determination of colloidal stability by using centrifugation. Thermal stability determination method represents the short-time analysis and long-time analysis, which and testing of emulsion within a 1 month in thermostat helps to observe not only phase separation, but also to measure factors such as color and acidity changes to predict a product shelf life. Additionally, to observe the effectiveness of conditioner, control test was provided by using the resulting cosmetic emulsion by the group of 15 volunteers. The most effective-in-use and also stable emulsion is obtained by 1.5 % of cationic surfactant as cetrimonium chloride, 2 % of cationic surfactants as polyquaternium-7 and 3 % of oil phase (with the ratio 2:1 in term of yellow rose oil: polyphytic oil) in terms of the composition of the cosmetic emulsions. «Фараби Әлемі» атты студенттер мен жас ғалымдардың халықаралық конференциясы 158 жүктеу/скачать 2,6 Mb. Достарыңызбен бөлісу:
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