Oil-in-water cosmetic composition, oil-in-water cosmetic, and method for producing same
A technology of cosmetic materials and oil-in-water type, which is applied in the fields of oil-in-water cosmetic material compositions, oil-in-water cosmetic materials and their preparations, and can solve the problem of having a transparent appearance and a sense of use, and the bead shape is not easy to grind Broken and other issues
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[0046] Secondly, the embodiment of the present application also provides a preparation method of an oil-in-water cosmetic material, which comprises the following steps:
[0047] S1. Obtain the water phase of the above-mentioned oil-in-water cosmetic composition in a dissolved state.
[0048] Wherein, when the water phase consists of water (main solvent), acrylate thickener, neutralizer and the rest of the water phase (including but not limited to pigments, preservatives, humectants, etc.), the water phase is first After the part is completely dissolved with part of the solvent at 60-70° C., the acrylate thickener is mixed to obtain the first mixture. After the neutralizing agent is completely dissolved in the remaining solvent, it is mixed with the first mixture to neutralize the water phase, and then cooled to 30-40° C. to obtain a dissolved water phase.
[0049] S2. Mix the liquid oil phase and the dissolved water phase under stirring conditions of not more than 500 rpm.
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Embodiment 1-3
[0065] Among them, the composition ratio (in mass percentage) of the oil-in-water cosmetic materials provided in Examples 1-3 and the related appearance and stability evaluation are shown in Table 1.
[0066] Table 1 Appearance and stability evaluation of Examples 1-3
[0067]
[0068]
[0069] in, figure 1 The appearance photos of the oil-in-water cosmetic materials provided in Examples 1-3, all of Examples 1-3 have a blue transparent appearance due to the addition of pigments, which is convenient for observation. in figure 1 a is a photograph of the appearance of the oil-in-water cosmetic material of Example 1, figure 1 b is a photograph of the appearance of the oil-in-water cosmetic material of Example 2, figure 1 c is a photograph of the appearance of the oil-in-water cosmetic material of Example 3.
[0070] Combine Table 1 and figure 1 , it can be seen that the transparency and stability of Example 1 are excellent. Although the overall appearance of Example 2 i...
Embodiment 4-6
[0072] Among them, the composition ratio (in mass percentage) of the oil-in-water cosmetic materials provided in Examples 4-6 and the related appearance and stability evaluation are shown in Table 2.
[0073] Table 2 Appearance and stability evaluation of Examples 4-6
[0074]
[0075]
[0076] Among them, the oil-in-water cosmetic materials of Examples 4-6 all had a blue and transparent appearance. Referring to Table 2 above, for Example 4, since it used electrolyte, both the transparency and the size of oil droplets increased compared to Example 5, while for Example 6, due to excessive addition of electrolyte, although the transparency The size of the oil droplets was improved compared to Examples 4 and 5, but the stability was drastically reduced.
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