Cosmetic composition containing oleanolic acid
A technology for cosmetics and mixtures, which is applied in the field of soluble cosmetic compositions to achieve the effects of reducing production costs, improving transdermal absorption rate, and refreshing and moist touch.
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[0014] The average particle diameter of the liposomes involved in the nano-liposomes formed during the preparation of the water-soluble cosmetic composition of the present invention is 10-500 nm. The size of the nanoliposomes formed in the present invention is preferably 50-300 nm. When the average particle size of the nanoliposome is greater than 300nm, the technical effects obtained by the present invention including improving its permeability in the skin and the stability of the preparation are not significant.
[0015] In the present invention, the nanoliposomes formed for the stabilization of oleanolic acid are prepared from a mixture containing polyhydric alcohols, oily components, surfactants, phospholipids and water. Moreover, nanoliposomes encapsulating oleanolic acid in a soluble cosmetic composition are naturally formed during the preparation of the soluble cosmetic composition without high pressure emulsification or a separate preparation process.
[0016] In the ...
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[0025] Hereinafter, the present invention will be described in further detail with reference to examples and test examples. However, it should be understood that the following examples, test examples and preparation examples are for illustrative purposes only and are not intended to limit the scope of the present invention.
[0026] Reference Example 1: Preparation of oleanolic acid-containing soluble cosmetic emulsion stabilized with nanoliposomes.
[0027] According to the compositions shown in Table 1 below, soluble wrinkle-reducing cosmetic emulsions of Examples 1-3 and Comparative Examples 1-4 were prepared.
[0028] The emulsions in Examples 1-3 are soluble cosmetic emulsions containing nanoliposomes formed according to the present invention, the emulsions in Comparative Examples 1 and 2 contain conventional solubilizers different from Examples 1-3, and Comparative Examples The emulsion in 3 contains a nanobase encapsulating oleanolic acid. The emulsion in Comparative ...
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