Whitening skin care productSkin-whitening cosmetic containing algae active extracts
A technology of extracts and skin care products, applied in medical preparations, cosmetics, cosmetic preparations containing active ingredients, etc., can solve problems such as difficulty in maintaining skin whitening, complex whitening ingredients process, and unclear whitening mechanism, etc., to achieve effective protection Short shelf life, short extraction time, and strong antioxidant activity
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preparation example Construction
[0033] The preparation method of whitening and blackening agent is:
[0034]
[0035] Add 10mmol of 5-p-hydroxybenzyl-2,4-thiazolidinedione with the structure of formula 1 into the reaction flask, add 100ml of ethanol to dissolve, then add 30mmol of bisabolol succinic acid with the structure of formula 2, and wait for the After the alcohol succinic acid 2 is dissolved, add 30mmol of condensing agent, raise the temperature to 70°C, and stir for 4 hours. After the reaction is completed, filter the reaction solution to remove insoluble matter. After the filtrate is concentrated under reduced pressure, add 100mL of ethyl acetate to dissolve , followed by washing with saturated sodium bicarbonate solution (100mL*3), 100mL saturated sodium chloride solution, discarding the water phase, adding 10g of anhydrous sodium sulfate to the organic phase for dehydration and drying for 5h, filtering, concentrating under reduced pressure, petroleum ether-ethyl acetate The ester was recrystalli...
Embodiment 1
[0063] A whitening skin care product containing active algae extracts, the mass percentage of each raw material is: hyaluronic acid 2%, lecithin 1%, glycerin 8%, cetearyl alcohol 1%, glyceryl stearate 5.5%, Dimethicone 2%, Ginkgo Algae Extract 1.5%, Whitening and Blackening Agent 0.2%, Natural Whitening Oil 3%, VC 0.5%, VE 0.5%, pH Adjuster 0.1%, Propylene Glycol 5%, the balance is deionized water;
[0064] The natural whitening oil is a mixture of camellia seed oil, natural squalane and grape seed oil, and the weight ratio of camellia seed oil, natural squalane and grape seed oil is 1:1:1.
Embodiment 2
[0066] A whitening skin care product containing active algae extracts, the mass percentage of each raw material is: hyaluronic acid 5%, lecithin 0.5%, glycerin 4%, cetearyl alcohol 5%, glyceryl stearate 1%, 0.5% polydimethylsiloxane, 0.5% ginkgo algae extract, 0.8% whitening and anti-black agent, 6% natural whitening oil, 1% VC, 1% VE, 0.3% pH regulator, 1% propylene glycol, the balance is deionized water;
[0067] The natural whitening oil is a mixture of camellia seed oil, natural squalane and grape seed oil, and the weight ratio of camellia seed oil, natural squalane and grape seed oil is 1:1:1.
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