Pearl skin-whitening BB cream and preparation method thereof
A technology of whitening and pearls, which is applied in the direction of pharmaceutical formulas, cosmetic preparations, dressing preparations, etc. It can solve the problem that pearl powder is not easy to be dispersed, and achieve the effects of improving affinity, increasing surface repulsion, and enhancing affinity Effect
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[0048] The preparation method of this pearl whitening BB cream comprises the following steps successively:
[0049] Step 1. Mix the modified nano-pearl powder, nano-scale lipophilic titanium dioxide, superfine lipophilic talc powder, and lipophilic iron oxide pigment, and stir evenly to obtain a mixed powder. Mix 3kg caprylic acid / capric triglyceride, 1kg Mix cetyl PEG / PPG-10 / 1 polydimethylsiloxane and 1kg co-emulsifier and heat to 72°C. After fully dissolving, add the above mixed powder, continue stirring evenly, and three-roll grinding to obtain phase A for later use. ; Lipophilic treatment of modified nano-pearl powder;
[0050] Step two, cyclopentasiloxane, isohexadecane, cyclomethicone, 3kg butanediol and remaining caprylic / capric triglyceride, cetyl PEG / PPG- Mix 10 / 1 polydimethylsiloxane and co-emulsifier, heat to 72°C, stir until fully dissolved to obtain phase B for later use;
[0051] Step 3. Mix glycerin, 1,2-pentanediol, sodium chloride, disodium EDTA, sodium hyal...
Embodiment 2
[0054] A kind of pearl whitening BB cream embodiment 2 of the present invention, comprises following component, gross weight 100kg, each component weight is respectively:
[0055]
[0056]
[0057] Wherein, the modified nano-pearl powder is obtained by the following preparation method:
[0058] (1) Weigh the nano-pearl powder, add deionized water to configure a nano-pearl powder suspoemulsion with a mass fraction of 20%, add it to the reactor, heat to 85°C, keep the constant temperature for activation, and the activation time is 5 to 15 minutes;
[0059] (2) adding surfactant polyhydroxystearic acid accounting for 2% of the dry weight of nano pearl powder, stirring for 25 minutes;
[0060] (3) Then centrifuge at a speed of 3000r / min for 15 minutes to collect the modified pearl layer, dry and pulverize to obtain modified nano-pearl powder, the average particle diameter of which is 40-200nm.
[0061] The selected nano-scale lipophilic titanium dioxide, superfine lipophili...
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