Skin care product with sunscreen and sun repair functions and preparation method thereof
A technology for after-sun repair and skin care products, applied in cosmetic preparations, preparations for skin care, medical preparations containing active ingredients, etc. Gentle, well-formulated results
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Embodiment 1
[0039] The preparation of embodiment 1 naked oat protein enzymatic hydrolyzate
[0040] Including the following steps:
[0041] A. Take naked oatmeal flour, add 12 times the amount of water, mix well, adjust the pH to 10.5 with a NaOH solution with a concentration of 1mol / L, and ultrasonically treat it at a temperature of 45°C and a power of 200W for 45min, 4000r Centrifuge at 4000r / min for 20min, filter with a 200-mesh filter cloth, take the supernatant, add HCl solution with a concentration of 1mol / L to adjust the pH value to 4.0, let it stand for 10min, centrifuge at 4000r / min for 20min, take the precipitate, freeze-dry, and get the oatmeal wheat protein;
[0042] B. Take buckwheat protein, add water according to the solid-to-liquid ratio of 10g / L, stir evenly, add alkaline protease with a total weight of 10% of the solution, and enzymolyze it for 6 hours at a temperature of 60°C and a pH value of 8.5. Keep the pH value of the solution constant, inactivate the enzyme at 1...
Embodiment 2
[0043] The preparation method of embodiment 2 cytokine complex liposomes
[0044] In this example, the cytokine complex liposome includes the following components in parts by weight: 120.003 parts of interleukin, 0.001 part of epidermal growth factor, 10 parts of naked oat protein hydrolyzate prepared in Example 1, hydrogenated lecithin 100 parts, sodium cholate 2 parts and cholesterol 25 parts.
[0045] Including the following steps:
[0046] 1) Take hydrogenated lecithin, sodium cholate and cholesterol, add them into absolute ethanol at a solid-to-liquid ratio of 3 mg / mL, stir and dissolve to obtain solution I;
[0047] 2) Take interleukin-12, epidermal growth factor and naked oat protein hydrolyzate, add PBS with a pH of 6.8 and a concentration of 0.02 mol / L at a solid-to-liquid ratio of 3.5 mg / mL, stir and dissolve to obtain solution II;
[0048] 3) Add solution I in step 1) and solution II in step 2) into a supercritical autoclave at a temperature of 30°C and a pressure...
Embodiment 3
[0049] Example 3 Preparation of skin care products with both sunscreen and post-sun repair functions
[0050] In this embodiment, the skin care product with both sun protection and after-sun repair functions is composed of the following ingredients in terms of weight percentage: 5% copper chlorophyllin sodium salt, 1% cytokine complex liposome prepared in Example 2, asparagus extract Glycyrrhizinum extract 3%, Jasmine extract 3%, Bark bark extract 5%, Dipotassium glycyrrhizinate 0.1%, Shea butter 6%, Butylene glycol 6%, β-glucan 2%, Sodium hyaluronate 0.05%, xanthan gum 0.1%, trehalose 1%, hydrogenated jojoba oil 4%, squalane 2%, cyclopentasiloxane 4%, cetearyl glucoside 2%, whale Wax stearyl alcohol 1%, PEG-100 stearate 1.5%, tocopheryl acetate 0.4%, bisabolol 0.1%, preservative 0.7%, essence 0.01% and deionized water 52.04%; The agent is composed of caprylic acid ester, 1,2-pentanediol and bamboo leaf extract in a weight ratio of 1:1:0.4.
[0051] Preparation:
[0052] S1...
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