Skin-nourishing liquid soap containing natural bacteriostatic components and preparation method thereof
A hand sanitizer and natural technology, applied in the field of emollient hand sanitizer and its preparation, can solve the problems of easy slippage and high consumption, and achieve the effects of good stability, moisturizing and cleansing the skin, and promoting metabolism
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Embodiment 1
[0036] 1.1 Sodium copper chlorophyllin is prepared by the following method:
[0037] Weigh 20g of bamboo leaves, wash and dry the bamboo leaves, then pulverize them, add leaching solution and 75% ethanol at a ratio of 1:12 to liquid, heat in a water bath for 0.5h, filter under reduced pressure, and use 5% of the obtained filtrate Adjust the pH to 11 with NaOH, heat in a 75°C water bath for 1 hour, extract and concentrate the extract twice with an equal volume of petroleum ether each time, take part of the water layer, then adjust the pH to 2 with 0.2mol / L HCL, and then add 15% CuSO4 Add at a ratio of 1:2 to the liquid, heat in a constant temperature water bath at 75°C for 1 hour, centrifuge at 3000r / min for 8 minutes, then wash with water, adjust the pH to 11 with 5% NaOH, collect the precipitate, dry it, and grind it finely to obtain the product.
[0038] 1.2 The wild chrysanthemum extract is prepared by the following method:
[0039] Weigh 30g of wild chrysanthemum, add wat...
Embodiment 2
[0048] 2.1 Preparation of copper chlorophyllin sodium salt
[0049] Weigh 50g of bamboo leaves, wash and dry the bamboo leaves, then crush them, add the leaching solution (85% ethanol) according to the ratio of solid to liquid of 1:14, heat in a water bath for 1h, and filter under reduced pressure, and use 5% of the obtained filtrate Adjust the pH to 12 with NaOH, heat in a water bath at 80°C for 2.0 hours, extract the concentrated extract twice with an equal volume of petroleum ether each time, take the water layer, and then adjust the pH to 2 with 0.2mol / L HCL, then add 15 % CuSO 4 Add at a ratio of 1:2 to the liquid, heat in a constant temperature water bath at 75°C for 1 hour, centrifuge at 3000r / min for 10 minutes, then wash with water, adjust the pH to 12 with 5% NaOH, collect the precipitate, dry it, and grind it finely.
[0050] 2.2 Preparation of wild chrysanthemum extract
[0051] Weigh 20g of wild chrysanthemum, add water to soak for 6h, decoct twice, each time fo...
Embodiment 3
[0060] The physicochemical index of embodiment 1,2 is as follows:
[0061] 3.1 Traits
[0062] This product is a light blue hand sanitizer with suitable viscosity, smooth and rich foam, pleasing color, fine and uniform, good spreadability and good decontamination ability.
[0063] 3.2 pH check
[0064] Dab a small amount of hand sanitizer with dampened pH paper, pH 6-7.
[0065] 3.3 Hot and cold test
[0066] Package the hand sanitizer in a transparent cosmetic bottle and refrigerate it in a refrigerator at 3°C for about two weeks to observe that there is no delamination. In a constant temperature box at 60°C for 24 hours, the hand sanitizer has no phenomenon of stratification, emulsification, odor change, and deterioration.
[0067] 3.4 Centrifugal test
[0068] Pack the hand sanitizer into a stoppered test tube and centrifuge at 3000r / min for 15min without delamination.
[0069] 3.5 Irritation test, allergy test
[0070] The back of the mouse was hair-cut, and the h...
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