Cosmetic composition, skin cream and preparation method thereof
A technology for cosmetic compositions and skin creams, applied in the fields of cosmetic compositions, skin creams and their preparation, achieves the effects of good stability, improved skin condition, and prevention of excessive keratinization
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Embodiment 1
[0071] Embodiment one: the preparation of nanometer ellagic acid dispersion liquid
[0072] See Table 1 for the ratio of the raw materials for the dispersion.
[0073] Table 1 Nano ellagic acid dispersion raw material ratio
[0074]
[0075] Preparation steps:
[0076] S 1. Using a pulverizer to pulverize ellagic acid with a HPLC purity of 99.0% to a particle size within 100 μm to obtain primary broken ellagic acid;
[0077] S 2. Grinding twice with a three-roll mill, mixing and grinding the primary crushed ellagic acid with methylpropylene glycol and panthenol until the particle size is within 50 μm, to obtain a secondary primary crushed mixture;
[0078] S 3. Mix the secondary crushing mixture with Tween 60, disperse at a high speed with a disperser at 50°C, and shear until the particle size is within 30 μm (the shear rate is 3000 rpm, and the shear time is 20 min); Machine grinding for 50 minutes (colloid grinding speed is 2200rpm); then high-pressure homogenization a...
Embodiment 2
[0085] Embodiment two: the preparation of skin cream
[0086] The raw material ratio of skin cream is shown in Table 3.
[0087] Table 3. Raw materials of skin cream
[0088]
[0089] Preparation steps:
[0090] A1. Heat part of the water (two-thirds of the total water), methyl propylene glycol, glycerin, acrylic acid (ester) / C10-30 alkanol acrylate crosslinked polymer, EDTA-disodium to 80 ° C to dissolve, uniform Mix to obtain mixture A;
[0091] A2. After heating and dissolving salicylic acid, arginine, glycylglycine and the rest of water, slowly and uniformly add to mixture A, and homogeneously emulsify at 3 000r / min for 3min to obtain mixture B;
[0092] A3. Synthesize squalane, cetearyl ethylhexanoate, glyceryl stearate / PEG-100 stearate, steareth-21, glyceryl stearate and cetearyl Heat the fatty alcohol to 80°C to melt, then add it to mixture B, homogeneously emulsify at 4500r / min for 4min, keep stirring for 20min, and obtain mixture C;
[0093] A4. Cool the mixtu...
Embodiment 3
[0095] Embodiment three: the preparation of skin care lotion
[0096] The raw material ratio of skin care lotion is shown in Table 4.
[0097] Table 4. Raw materials of skin care lotion
[0098]
[0099] Preparation steps:
[0100] A1. Heat part of water (two-thirds of the total water), methylpropanediol, glycerin, EDTA-disodium, sodium hyaluronate (1%.sol) to 80°C to dissolve, and mix uniformly to obtain mixture A;
[0101] A2. After heating and dissolving salicylic acid, arginine, glycylglycine and the rest of water, slowly and uniformly add to mixture A, and homogeneously emulsify at 3 000r / min for 3min to obtain mixture B;
[0102] A3. Heat 1618 alcohol, monoglyceride, steareth-21, caprylic capric triglyceride, shea butter, and beeswax to 80°C to melt, then add it to mixture B, and emulsify homogeneously at 4500r / min 4min, insulated and stirred for 20min to obtain mixture B;
[0103] A4. Cool mixture B to 60°C, then add 10% nano-ellagic acid dispersion, emulsify hom...
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