Skin-care composition and preparation with whitening effect and preparation method thereof
A skin care composition and the technology of the composition, applied in skin care preparations, pharmaceutical formulations, cosmetic preparations, etc., can solve problems such as single ingredients, few prescriptions, and allergic reactions, and achieve simple preparation methods, good freckle removal, whitening, and efficacy significant effect
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Embodiment 1
[0053] Example 1 Preparation of traditional Chinese medicine extract of the present invention
[0054] (1) Weigh each API according to the following proportions:
[0055] Licorice 20g, Paeonia lactiflora 10g, Cortex Moutan 10g, Poria 8g, Astragalus 8g.
[0056] (2) extracting the crude drug with water, the mass ratio of the crude drug and water is 1:10, the extraction temperature is 90°C, and the extraction time is 2 hours;
[0057] (3) 100-mesh filtration, centrifugation, taking the supernatant, and 600-mesh secondary filtration to obtain the active extract.
[0058] After testing, the solid content is 3% to 5%, the pH value is 4.5 to 6.5, and the electrical conductivity is 1000 to 1500 μs / cm.
Embodiment 2
[0059] Example 2 Preparation of traditional Chinese medicine extracts of the present invention
[0060] (1) Weigh each API according to the following proportions:
[0061]Licorice 10g, Paeonia lactiflora 15g, Cortex Moutan 5g, Poria 12g, Astragalus 5g.
[0062] (2) extracting the crude drug with water, the mass ratio of the crude drug and water is 1:8, the extraction temperature is 70°C, and the extraction time is 3 hours;
[0063] (3) 200-mesh filtration, centrifugation, taking the supernatant, and 800-mesh secondary filtration to obtain the active extract.
[0064] After testing, the solid content is 3% to 5%, the pH value is 4.5 to 6.5, and the electrical conductivity is 1000 to 1500 μs / cm.
Embodiment 3
[0065] Example 3 Preparation of Chinese medicine extract of the present invention
[0066] (1) Weigh each API according to the following proportions:
[0067] Licorice 30g, Paeonia lactiflora 5g, Cortex Moutan 15g, Poria 5g, Astragalus 12g.
[0068] (2) extracting the crude drug with water, the mass ratio of the crude drug and water is 1:12, the extraction temperature is 80°C, and the extraction time is 4 hours;
[0069] (3) 200-mesh filtration, centrifugation, taking the supernatant, and filtering twice to obtain the active extract.
[0070] After testing, the solid content is 3% to 5%, the pH value is 4.5 to 6.5, and the electrical conductivity is 1000 to 1500 μs / cm.
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