Stem cell composition and face young-keeping and beauty-maintaining preparation for resisting wrinkles, whitening and moisturizing
A composition and stem cell technology, applied in skin care preparations, animal cells, cosmetic preparations, etc., can solve problems such as limited repair effect, and achieve the effects of improving skin texture, improving skin, and accelerating wound healing.
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Embodiment 2
[0025] Take 40mL of healthy fetal umbilical cord blood, add 4mL of sodium citrate anticoagulant, centrifuge at 300g for 10min, then use a Pasteur pipette to absorb the upper layer of plasma, transfer it to a 50mL centrifuge tube, and continue to centrifuge at 1500g for 10min. Aspirate and discard part of the plasma after centrifugation, leaving 1 mL of plasma at the bottom of the centrifuge tube. Finally, resuspend the plasma and bottom platelets to make PRP.
[0026] Take 300uL PRP, divide it into 3 parts, and use a blood cell analyzer to detect the number of platelets within 1 hour. Table 1 shows the test results, indicating that the content of platelets in PRP is above 400, which meets the preparation standards and can be used in facial rejuvenation preparations preparation.
[0027] Table 1
[0028] group
Embodiment 3
[0030] Prepare A, B and C three kinds of facial rejuvenation beauty preparations respectively according to the formula described in table 2, and its concrete preparation process is as follows:
[0031] 1. Preparation of nicotinamide mother liquor: Weigh nicotine base powder, add physiological saline, dissolve to obtain nicotinamide mother liquor with a concentration of 500 mg / mL, filter it with a 0.22 μm filter membrane, and place it in a refrigerator at 4°C until use.
[0032] 2. Preparation of EGF solution: Take out a bottle of EGF freeze-dried powder and a bottle of solvent respectively, absorb the solvent with a disposable syringe, pour it into the bottle of EGF freeze-dried powder, and mix well to form 2.5mL of EGF solution.
[0033] 3. Add the PRP prepared in Example 2 to the EGF solution to obtain liquid A; resuspend the umbilical cord mesenchymal stem cells prepared in Example 1 with physiological saline to obtain the umbilical cord mesenchymal stem cell suspension, and...
Embodiment 4
[0036] Embodiment 4 facial anti-wrinkle effect evaluation
[0037] Select 120 healthy adults (half male and half male) with obvious wrinkles on the face, aged 40 to 60 years old; randomly divided into 4 groups, including 3 groups of control groups and 1 group of experimental groups, and then the preparations shown in Table 3 Inject into the deep dermis where there are many facial wrinkles respectively, and evaluate the anti-wrinkle effect after 4 weeks. The evaluation indicators are: the cosmetic effect is scored according to the degree of facial wrinkle repair, the better the repair, the higher the score; the maintenance time is the time span from the appearance of the cosmetic effect to the loss of the cosmetic effect. As shown in the results in Table 4, the wrinkle repair effect and maintenance time of Example 1 are much higher than those of the control groups 1 to 3, showing its good cosmetic effect.
[0038] table 3
[0039] group
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