A kind of liquid foundation and preparation method thereof
A liquid foundation and viscosity control technology, which is applied in pharmaceutical formulations, toiletry preparations, cosmetic preparations, etc., can solve the problems of particle sinking, too hard or too soft, poor stability, etc., to achieve good stability, even makeup effect
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[0042] The preparation method of the liquid foundation of embodiment 1-2 comprises the following steps:
[0043] 1) Mix and stir the suspending agent, concealer, coloring agent and 95-98wt% oil evenly, then grind for 3-5 times until the powder is completely dispersed and set aside;
[0044]2) Put the remaining 2-5wt% oil into the oil phase pot, heat and melt, then add the dispersed material in step 1), heat to 80-85°C, keep warm and stir evenly; then cool down to 25-30°C to obtain oil phase, the viscosity of the oil phase is controlled at 30000-60000mpa.s;
[0045] 3) Add the humectant and thickener into the emulsification pot, stir and heat to 80-85°C, homogenize for 3-5 minutes, and dissolve until completely free of particles;
[0046] 4) Cool the inner material in the emulsification pot in step 3) to 50-55°C, add a neutralizer, stir evenly, add a preservative and stir to dissolve, cool down to 25-30°C, obtain a water phase, and control the viscosity of the water phase at ...
Embodiment 3
[0049] The preparation method of the liquid foundation of embodiment 3 and comparative example 4-5 comprises the following steps:
[0050] 1) Mix and stir the suspending agent, concealer, coloring agent, essence and 95-98wt% oil, and then grind for 3-5 times until the powder is completely dispersed and then set aside;
[0051] 2) Put the remaining 2-5wt% oil into the oil phase pot, heat and melt, then add the dispersed material in step 1), heat to 80-85°C, keep warm and stir evenly; then cool down to 25-30°C to obtain oil phase, the viscosity of the oil phase is controlled at 30000-60000mpa.s;
[0052] 3) Add the humectant and thickener into the emulsification pot, stir and heat to 80-85°C, homogenize for 3-5 minutes, and dissolve until completely free of particles;
[0053] 4) Cool the inner material in the emulsification pot in step 3) to 50-55°C, add a neutralizing agent, stir evenly, add preservatives and active agents and stir to dissolve, cool down to 25-30°C, and obtai...
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