Ultraviolet-proof cosmetic composition
A cosmetic composition and anti-ultraviolet technology, which is applied in the direction of cosmetics, cosmetic preparations, dressing preparations, etc., can solve problems such as inability to give refreshing feeling, greasy feeling or sticky feeling, rough skin that is difficult to apply, and achieve Excellent UV protection effect, high skin adhesion and durability, excellent water resistance effect
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Embodiment 1 to 6
[0072] Examples 1 to 6: Preparation of Compositions Not Containing Silicone Elastomers
[0073] A cosmetic composition for UV protection was prepared using the ingredients described in Table 1 below.
[0074] Specifically, after heating and dissolving the organic UV protection agent at 80° C., cooling at 25° C. to prepare phase A, oil was added to phase A to prepare phase B. At room temperature, use an AGI mixer to uniformly disperse ethanol and a tackifier to prepare Phase C. After throwing phase B into phase C, it was dispersed at 4000 rpm for 5 minutes using a HOMO mixer.
[0075] At this time, polyvinylpyrrolidone must be included as a thickener, and organic thickeners "hydroxypropyl cellulose, hydroxypropyl methylcellulose, hydroxypropyl methylcellulose stearyl ether, polyvinylpyrrolidone, etc. Acrylate cross-linked polymer-6, acrylate copolymer" to prepare embodiments 1 to 6.
[0076] Table 1
[0077]
Embodiment 7 to 15
[0078] Examples 7 to 15: Preparation of compositions comprising silicon elastomer powders
[0079] The silicon elastomer powder in Table 2 below was added to the composition of Example 2 above, and Examples 7 to 15 were prepared according to the composition ratios in Table 3. The composition, oil absorption and size of the added silicone elastomer powder are shown in Table 2.
[0080] The specific preparation method is as follows.
[0081] As shown in Table 3 below, after dissolving the organic UV protection agent by heating at 80°C and cooling at 25°C to prepare Phase A, oil was added to Phase A to prepare Phase B. At room temperature, use an AGI mixer to uniformly disperse ethanol and a tackifier to prepare Phase C. Phase D was prepared by dispersing phase B at 4000 rpm for 5 minutes with a HOMO mixer after putting phase B into phase C. After the silicon elastomer powder was dispersed for the first time with the AGI mixer, the second dispersion was performed at 3500 rpm...
experiment example 1
[0086] Experimental Example 1: Viscosity Evaluation
[0087] The viscosities of the compositions of Examples 1 to 15 were evaluated and shown in Table 4. Viscosity was measured using a Brookfield Viscosmeter LVT (Brookfield Viscosmeter LVT) with a No. 4 rotor and a rotation speed of 6 rpm.
[0088] Table 4
[0089] distinguish Viscosity (cP) distinguish Viscosity (cP) Example 1 24000 Example 9 53000 Example 2 26000 Example 10 55000 Example 3 26000 Example 11 70000 Example 4 24000 Example 12 87000 Example 5 25000 Example 13 30000 Example 6 25000 Example 14 33000 Example 7 34000 Example 15 40000 Example 8 46000
[0090] In the above-mentioned Table 4, compared with Example 1 in which polyvinylpyrrolidone was used alone, when a thickener was mixed and used (Examples 2 to 6), it was confirmed that the viscosity was higher.
[0091] And, it can be confirmed that when the silicon elastom...
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