Application of Functional Cationic Water-in-Oil Emulsifier in Skin Care Cream
In order to effectively solve the key technical problems of water-in-oil skin care cream,which has long been poor in high and low temperature stability and difficult to prepare,the use of functional cationic water-in-oil emulsifier as the main emulsifier in water-in-oil cream was studied to improve the stability of water-in-oil cream at high and low temperatures.The functional cationic water-in-oil emulsifier can enhance the thickness of the oil-in-water emulsifying interface and improve the density of the emulsifying interface,and has strong emulsifying and stabilizing properties.The performance of the oil-in-water cream prepared by the cationic emulsifier is verified by high and low temperature stability test,microscope observation,viscosity test and skin sensation evaluation.The results showed that the high and low temperature stability of the oil-in-water cream prepared by the functional cationic oil-in-water emulsifier passed the test when the total oil content did not exceed 18％,and the consistency of the material increased with the increase of oil content.Through microscope observation,the oil-filled water chamber remains intact,the particle size distribution is uniform,and the long-term stability is well guaranteed.The application of cationic polymer in the cream brings soft and smooth skin feeling.With the adjustment of the types and proportion of oils in the formula of oil-in-water cream,the skin feeling of the prepared cationic oil-in-water cream is close to that of oil-in-water cream,which solves the defects of skin feeling sticky and greasy in oil-in-water skin care products,and lays a solid foundation for the further development of oil-in-water cream in the cosmetics industry.
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