Clay mineral-based makeup and protection integrated cosmetic additive material and preparation method and application thereof
A clay mineral and additive material technology, applied in cosmetic preparations, cosmetics, cosmetic preparations and other directions, can solve the problems of low utilization rate and effect of active substances, rapid release, etc., to improve the utilization rate and effect, preparation Simple method, wide application effect
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[0029] The present application provides a clay mineral-based makeup and care integrated cosmetic additive material, the preparation method of which includes: loading active skin care ingredients in the interlayer domains or nanosheets of clay minerals in a cardboard structure; specifically, the present invention According to the physical and chemical properties of active skin care ingredients and the structure of clay minerals, methods such as aqueous phase synthesis and salt phase synthesis can be used in the application. At the same time, ultrasonic treatment can also be used to load active skin care ingredients on the interlayer domains of clay minerals or In the card room structure composed of nanosheets.
[0030] The active skin care ingredients in the present application include, but are not limited to, one or more of skin care ingredients such as niacinamide, vitamin C, and superoxide dismutase. Clay minerals are clay minerals with a nanosheet structure, including but n...
Embodiment 1
[0041] Embodiment 1: Provide a kind of preparation method of superoxide dismutase-illite cosmetic additive material. Specifically include the following steps:
[0042] S1. Prepare exfoliated illite.
[0043] First mix illite and lithium chloride, exchange the interlayer inorganic cations with lithium ions, and then heat and hold for a period of time to make lithium ions migrate to illite sheets to compensate the sheet charges of illite.
[0044] Specifically, 2 g of natural illite with a purity of 90% was added to 100 mL of 0.8 mol / L lithium chloride solution, and treated at 120° C. for 12 hours to allow lithium ions to enter the illite sheets. Then the suspension was placed in an ultrasonic machine and ultrasonically treated for 1 h under the conditions of a power of 800 W and an output frequency of 20 kHz, so as to achieve the purpose of peeling illite sheets. Finally, wash 3 times with deionized water to remove excess lithium chloride. The X-ray diffraction results of il...
Embodiment 2
[0049] Embodiment 2: A preparation method of a nicotinamide-montmorillonite cosmetic additive is provided, which includes: fixing small molecule active skin care ingredients in the interlayer domain of montmorillonite. Specifically include the following steps:
[0050] Niacinamide was dissolved in 250 mL of deionized water so that its concentration was 4 g / L.
[0051] Subsequently, a certain amount of montmorillonite was added so that its concentration was 8 g / L, and a certain amount of lithium chloride was added so that its concentration was 0.2 mol / L.
[0052] The suspension was stirred at 50° C. for 6 hours, finally centrifuged and washed 3 times, and dried to obtain about 2.5 g of montmorillonite cosmetic additive capable of slow-release nicotinamide, wherein the content of nicotinamide was 30%. The X-ray diffraction results of the nicotinamide-montmorillonite complex showed that its d 001 The characteristic lines are shifted to low angles, and the surface nicotinamide i...
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