Compound preservative for cosmetics
A technology for compounding preservatives and cosmetics, applied in the field of cosmetic additives
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Embodiment 1
[0014] Preparation of compound preservative for cosmetics: 1kg of lavender, 1kg of calendula, 1kg of scutellaria chinensis, 1kg of peony root, 3kg of rosemary, 1kg of clove and 3kg of licorice are pulverized and placed in a container, and the volume concentration is 60% ethanol, the amount of which is 10 times the total weight of the raw materials, is extracted in a water bath at 605°C for 1 hour, the extract is filtered, the filtrate is reduced in pressure to recover ethanol, and dried to obtain the product.
Embodiment 2
[0016] Preparation of compound preservative for cosmetics: 5kg of lavender, 4kg of calendula, 3kg of Scutellaria chinensis, 3kg of peony root, 5kg of rosemary, 3kg of clove and 5kg of licorice are pulverized and placed in a container, and the volume concentration is 75% ethanol, the amount of which is 12 times the total weight of the raw materials, is extracted in a 75°C water bath for 3 times, each time for 3 hours, the extracts are combined, filtered, the filtrate is decompressed to recover ethanol, and dried to obtain the product.
Embodiment 3
[0018] Preparation of compound preservative for cosmetics: 3kg of lavender, 2.5kg of calendula, 2kg of Scutellaria chinensis, 2kg of peony root, 4kg of rosemary, 2.5kg of clove and 4kg of licorice are pulverized and placed in a container, and the volume Concentration is 70% ethanol, the addition amount is 11 times of the total weight of the raw material, extracted twice under the condition of 70 ℃ water bath, each extraction 2.5h, combined extracts, filtered, the filtrate was decompressed to recover ethanol, dried, that is have to.
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