cosmetic composition
A cosmetic composition and a technology for the composition, applied in the directions of cosmetics, cosmetics, cosmetic preparations, etc., can solve the problems of reducing the rapid removal of makeup, the decline of ductility, and the reduction of competitiveness, and achieve the effect of excellent covering power
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Embodiment 1
[0058] Amorphous titanium dioxide with an average particle diameter of 300 nm and acicular titanium dioxide with an average aspect ratio of 13.1 (1.7 μm long / 0.13 μm thick) were prepared respectively.
[0059] The above prepared powders were weighed according to the content (wt%) in Table 1, mixed with a dry mixer in advance, and then the foundation was prepared according to the conventional preparation method of the oil-in-water emulsion foundation.
Embodiment 2、3 and comparative example 1～3
[0061] Except for preparing according to the composition and content of the following Table 1, all processes are the same as in Example 1, and its physical properties are shown in Table 2. The average particle diameter of the spherical titanium dioxide, spherical silicon dioxide and spherical polymethyl methacrylate (PMMA) used is 300 nm, and the weight average molecular weight of PMMA is 500,000.
[0062] [Table 1]
[0063]
[0064]
[0065] [Table 2]
[0066]
[0067] As shown in Table 1 and Table 2 above, prepared according to Examples 1-3, that is, while adding amorphous titanium dioxide, mixed and added one or two kinds of spherical titanium dioxide and needle-shaped titanium dioxide. The cosmetic composition of titanium dioxide , with better hiding power, ductility and durability.
[0068] In contrast, the cosmetic composition prepared according to Comparative Example 1, which only uses amorphous titanium dioxide, has excellent hiding power, but its ductility ...
Embodiment 4～7
[0076] Except for preparing according to the composition and content (wt%) of the following Table 4, all processes are the same as in Example 1, and its physical properties are shown in Table 5.
[0077] [Table 4]
[0078] Amorphous TiO 2
Needle TiO 2
Spherical TiO 2
Example 4 11.25 1.25 - Example 5 8.75 3.75 - Example 6 11.25 - 1.25 Comparative Example 7 8.75 - 3.75
[0079] [table 5]
[0080]
[0081]
[0082] As shown in Tables 4 and 5 above, when the total titanium dioxide content is the same, as the mixing ratio of spherical titanium dioxide or needle titanium dioxide changes, its hiding power, ductility and durability will also change, especially in Examples 1 and 2, When the weight ratio of amorphous titanium dioxide: acicular titanium dioxide or spherical titanium dioxide is 4:1, high hiding power can be maintained and the ductility and durability are also at a high level.
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