A kind of whitening skin care composition containing citrus seed extract
A skin care composition and technology of citrus seeds, applied in the field of cosmetic compositions, whitening skin care compositions containing citrus seed extract
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[0029] 1, the preparation method of citrus seed extract:
[0030] The citrus seed extract used in the present invention is a white crystalline citrus seed extract obtained by extracting and refining citrus seeds as raw materials. The specific steps are:
[0031] 1) Pre-treatment: removing pulp from citrus, collecting citrus seeds, drying in the sun, and crushing through a 40-mesh standard sieve;
[0032] 2) Removal of oil and protein: use n-hexane to extract the oil in the citrus seed powder, filter to take the filter residue, dry under reduced pressure at 50°C, volatilize the remaining n-hexane to obtain citrus seed powder A; use 6% NaCl aqueous solution as protein extraction Solvent, dissolve and extract the protein in the citrus seed powder A, centrifuge to collect the filter residue, and dry under reduced pressure at 60°C to obtain the citrus seed powder B;
[0033] 3) Initial extraction of limonin: Add citrus seed powder B into an aqueous solution of sodium salicylate, ...
Embodiment 1
[0050] A kind of essence or skin care water added with citrus seed extract, the raw materials of this essence or skin care water and the weight percentage of each raw material are:
[0051]
[0052] The preparation process is as follows:
[0053] 1) Fully clean the preparation pot with 75% ethanol solution before production to ensure the cleanliness of the preparation container;
[0054] 2) Put propylene glycol, glycerin and diglycerin into the preparation pot, and then put in hydroxyethyl cellulose, hyaluronic acid,
[0055] Vitamin C, citrus seed extract, stirred for 30 minutes to dissolve the material;
[0056] 3) Add phenoxyethanol, ethylhexylglycerin, and fatty acid glyceride (pre-mixed with essence) and continue to stir for 10 minutes to prepare a whitening essence or skin care water composition containing citrus seed extract.
Embodiment 2
[0058] A kind of emulsion that has added citrus seed extract, the raw material of described emulsion and the weight percent of each raw material are:
[0059]
[0060]
[0061] The preparation process is as follows:
[0062] 1) Water phase configuration: first dissolve xanthan gum in propylene glycol, then add glycerin, hydroxyethyl urea, EDTA-2Na, allantoin, and deionized water, stir and heat up to 85°C, dissolve completely, and continue to keep warm and stir for 30 minutes;
[0063] 2) Oil phase configuration: cetearyl / stearyl alcohol, high-carbon fatty alcohol dextran emulsifier, PEG-100 stearate and monoglyceride mixture, 26# white mineral oil, caprylic capric triglyceride , Methylparaben and Propylparaben were stirred and heated to 85°C, dissolved completely, and kept stirring for 30 minutes;
[0064] 3) At 85°C, add the oil phase to the water phase to stir and emulsify for 10 minutes, then use a homogenizer to homogenize at 10000-20000rpm for 3-5 minutes, slowly a...
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