White-tea self-heating facial mask and preparation method thereof
A facial mask and self-heating technology, which is applied in the fields of pharmaceutical formulations, cosmetic preparations, dressing preparations, etc., can solve the problems of unfavorable absorption of nutrients and low comfort of the mask, achieve better skin-friendly ability and protect the skin oil layer , Improve stability and fat solubility
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Embodiment 1
[0021] Preparation of white tea extract: grind white tea into a supercritical extractor for supercritical CO 2 Extraction, the extraction pressure is 27MPa, the extraction temperature is 55°C, the extraction time is 50min, and the dosage of 65% ethanol is 1000mL. After the extraction is completed, open the oil drain valve of the supercritical extractor to collect the white tea extract, which is used in this example The supercritical extractor model is SPTHA220-40-11 supercritical CO 2 Extraction device.
Embodiment 2
[0023] Preparation of EGCG nanoliposomes: Mix 10ml Tween 60, 15mg cholesterol, 5mg soybean lecithin and the 50mg white tea extract, disperse evenly, add ethanol, and dissolve in a water bath at 60°C to obtain a mixed solution, and mix the mixed solution Inject quickly into the constantly stirring PBS buffer, stir for 10-30min at a stirring speed of 90-100r / min, remove ethanol by vacuum rotary evaporation, fill with N 2 Seal and store at 4°C to obtain EGCG nanoliposomes.
Embodiment 3
[0025] Take 50g of apples, 50g of bananas, 50g of spinach and other fiber foods, dry, crush, and sieve to obtain dry fruit and vegetable powder; the dry powder is soaked in strong alkali, enzymolyzed with commercially available protease and hydrolase at 40°C for 2 hours, and deactivated at 100°C. Filtrate, wash and dry the filter residue to obtain the fruit fiber membrane material; add 10g / ml baking soda solution and mix, add the mixed solution into a multi-needle electrospinning box for electrospinning, vacuum dry after spinning, spunlace reinforcement, and dry Vacuum compress after drying to get the mask base cloth; take 1g hyaluronic acid, 1g transdermal short peptide, 20g white tea extract, 5g EGCG nano liposome, 1g rose essential oil, 1g hydroxyethylpiperazine ethanesulfonic acid, 5g Sodium carboxymethylcellulose, 0.5g potassium sorbate, 1g compound synergist, wherein the compound synergist includes vitamin E, vitamin B, salicylic acid, nicotinamide, L-tyrosine, seaweed in...
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