Refreshing and mild double-layer cleansing lotion and preparation method thereof
A makeup remover, double-layer technology, applied in the field of double-layer makeup remover and its preparation, can solve the problems of stability and uneven makeup remover effect, less makeup oil stain cleaning power, thick and irritating makeup remover oil, etc., to achieve a novel appearance , the two phases are clearly compared, and the effect of optimizing the content of components
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[0044] The preparation method of the double-layer makeup remover described in above-mentioned embodiment 1,2 and comparative example 1-4, comprises the steps:
[0045] (1) Add synthetic oil and natural oil in sequence at a low temperature of 20-40°C, stir evenly, filter the material with a dry filter cloth, and obtain the oil phase for later use;
[0046] (2) Add deionized water into the stirring pot, heat to 85-95°C, add chelating agent and anti-sensitizer while stirring, stir and dissolve evenly; then cool down to 45-55°C, add humectant, stir evenly; finally Add solubilizer, surfactant and plant extract and stir for 15-20 minutes, after stirring evenly, cool down to 40-50°C, filter the material with a dry filter cloth to obtain the water phase;
[0047] (3) Embodiment 1, 2 and comparative example 1-4 respectively weigh the liquid of oil phase and water phase by the mass ratio of oil phase and water phase of table 1 respectively, water phase and oil phase are poured into cont...
Embodiment 1
[0050] The pH of Example 1 and Example 2 is between 5.1-5.3, which is weakly acidic and close to the pH value of human skin. The pH of healthy oriental skin should be between 4.5 and 6.5, with an average value of 5.8. The skin has only In the normal pH range, that is, in weak acidity, the skin can be in the best state of absorbing nutrients. At this time, the skin's ability to resist external erosion, elasticity, luster, moisture, etc. are all in the best state.
[0051] 2. Stimulus test,
[0052] (1) Patch test:
[0053] Test method: select 30 volunteers aged 18-35, 15 males and 15 females. Select a qualified patch device, use the closed patch test method, drop about 0.02g-0.03g of the test substance into the patch test device, apply it on the normal skin on the curved side of the forearm of the subject, and remove the test substance after 24 hours. The skin reaction was observed at 0.5, 24, and 48 hours after removal.
[0054] Judgment of the reaction degree of the test s...
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