Sunscreen bar containing water-soluble component and preparation method thereof
A technology for water-soluble components and sunscreen sticks, which is used in skin care preparations, pharmaceutical formulations, cosmetic preparations, etc., can solve the problems of inability to add water-soluble components, reduce formulation costs, greasy feeling, etc., and improve the sunscreen index. , high SPF, soft touch effect
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[0025] The preparation method among the present invention, comprises the steps:
[0026] 1) Mix the water-soluble components and water-soluble sunscreen and heat to 80.00-85.00°C, stir well and set aside;
[0027] 2) Mix the emulsifier and 5.00-10.00% emollient and heat it to 80.00-85.00°C, stir evenly and slowly add the water phase components prepared in the above step 1) while stirring quickly to obtain oil-in-water (O / W) Or water-in-oil (W / O) pre-emulsion;
[0028] 3) Mix the oil-soluble or lipophilic sunscreen, powder, and the remaining emollient and heat to 80.00-85.00°C, stir evenly, and slowly add the pre-emulsion prepared in the above step 2) while stirring quickly;
[0029] 4) When the temperature of the material prepared in the above step 3) is lowered to 65.00-75.00°C, it is injected into the mold while stirring (to prevent the powder from settling), and after cooling to room temperature, a sunscreen stick containing water-soluble components is obtained.
Embodiment 1
[0031] The sunscreen stick containing water-soluble components of the present embodiment is made up of the following components in parts by weight:
[0032]Sunscreen: 8.50 parts of ethylhexyl methoxycinnamate, 0.50 parts of bis-ethylhexyloxyphenol methoxyphenyl triazine, 0.80 parts of diethylamine hydroxybenzoyl hexyl benzoate, ethylhexyl triazine 1.50 parts of ketone, 3.00 parts of octocrylene, 5.00 parts of phenylbenzimidazole sulfonic acid, 1.00 parts of methylene bis-benzotriazolyl tetramethylbutylphenol, 4.15 parts of zinc oxide, 2.50 parts of titanium dioxide; emulsification Agent: 2.50 parts of glycerol stearate, 2.50 parts of PEG-75 stearate, 1.00 parts of cetyl polyethylene glycol / polypropylene glycol-10 / 1 dimethicone; water-soluble component: 13.16 parts of water , 2.00 parts of 1,2-pentanediol, 0.10 parts of hydrolyzed sodium hyaluronate, 3.00 parts of panthenol, 1.74 parts of aminomethyl propanol; powder: 2.00 parts of polymethylsilsesquioxane; emollient: Microcry...
Embodiment 2
[0034] The sunscreen stick containing water-soluble components of the present embodiment is made up of the following components in parts by weight:
[0035] Sunscreen: 8.50 parts of ethylhexyl methoxycinnamate, 3.00 parts of ethylhexyl salicylate, 2.50 parts of ethylhexyl triazone, 1.00 parts of bis-ethylhexyloxyphenol methoxyphenyl triazine, 0.50 parts of diethylamino hydroxybenzoyl hexyl benzoate, 2.00 parts of methylene bis-benzotriazolyl tetramethylbutylphenol; emulsifier: 0.80 parts of polyglyceryl-10 myristate, polysorbate 0.70 parts of ester-20, 2.50 parts of tribehenin PEG-20 esters; water-soluble components: 7.90 parts of water, 1.00 parts of caprylyl glycol, 0.10 parts of tetrahydromethyl pyrimidine carboxylic acid, 1.00 parts of Tremella fruiting body extract; Powder: 1.00 parts of nylon-12; emollient: 12.00 parts of microcrystalline wax, 2.50 parts of beeswax, 5.50 parts of cetearyl alcohol, 2.00 parts of carnauba wax, 5.50 parts of cocoa seed butter, 1.50 parts of...
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