Composition promoting growth of eyelashes or eyebrows
A composition, eyebrow technology, applied in the field of promoting the growth of eyelashes or eyebrows, can solve problems such as side effects
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Embodiment 1
[0027] Emulsion
[0028] The specific content of the active ingredients of the compound cosmetic is as follows: timolol maleate (0.70%, w / v; equivalent to timolol 0.50%, w / v) and evening primrose oil (70%, w / v).
[0029] The compound timolol and evening primrose oil is an inverse emulsion, and SPAN-40 and SPAN-60 are solubilizing stabilizers. See the table below for compound combinations. Dissolve 70g of timolol maleate in 1649mL of purified water, and then slowly pour the aqueous solution into a mixture containing 7000g of evening primrose oil, 70g of SPAN-40 and 30g of SPAN-60 under vigorous stirring. The obtained emulsion was mechanically stirred for 10 minutes until the emulsion was uniform and stable (final volume 10 L).
[0030] Element
Embodiment 2
[0032] Liquid
[0033] The specific content of the active ingredients of the compound cosmetic is as follows: timolol maleate (2.8%, w / v; equivalent to timolol 2.0%, w / v) and black currant oil (1.0%, w / v).
[0034] The compound timolol and blackcurrant oil is an aqueous solution preserved aseptically, and the compound combination is shown in the table below: the compounding method is based on timolol eye drops, which contains an isotonic phosphate buffer system at pH 6.7 ; The compound preservative is indica ethyl ammonium chloride with a concentration of 200ppm. Polysorbate 80 is a co-solvent.
[0035]
Embodiment 3
[0037] cream
[0038] A topical cream containing timolol (0.5%, w / v) and evening primrose oil (5.0%, w / v) is prepared as follows:
[0039] Under nitrogen protection, place 50g timolol, 500g evening primrose oil, 20g sorbitan oleate, and 2780mL (2500g) medium-chain triglycerides in a stainless steel container, and stir evenly at 60-65°C until The drug is completely dissolved. Then add 20g of Carbomer 1342 NF and 100g of Carbomer 934P into the above drug mixture and stir until the polymers are completely mixed. Under the protection of nitrogen, increase the mixing and stirring speed, and stir for another 5 minutes to prepare mixture A. In addition, 5.0 g of disodium edetate, 10 g of sodium subsulfite heptahydrate and about 6.3 L of purified water were mixed until completely dissolved (stirring for about 10 minutes) to prepare mixture B. Then slowly add the mixture B to the mixture A containing the drug and the high molecular polymer. Under nitrogen protection, stir evenly at...
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