Sunscreen cosmetic composition with high safeness and preparation method thereof
A technology of cosmetic composition and polymer substances, applied in the field of daily chemicals, can solve the problems of promoting photosensitivity reaction, the safety of human body has not been fully verified, and increasing the risk of product sensitization, and achieves stable emulsified structure, high sunscreen effect, and increased The effect of stability
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Embodiment 1
[0040] S1. According to the formula shown in Table 1, the internal phase oil, intermediate water phase, and external phase oil are respectively prepared, and pretreated (dissolved and dispersed) respectively to form a uniform state;
[0041] S2. Mix the internal phase oil with the intermediate water phase to emulsify into an oil-in-water (O / W) emulsion system;
[0042] S3. Adding the oil-in-water emulsion system to the external phase oil to emulsify into an oil-in-water-in-oil (O / W / O) multiple emulsion system to obtain a multiple emulsion system cosmetic composition.
Embodiment 2
[0044] S1. According to the formula shown in Table 2, the internal phase oil, intermediate water phase, and external phase oil are respectively prepared, and pretreated (dissolved and dispersed) respectively to form a uniform state;
[0045] S2. Mix the internal phase oil with the intermediate water phase to emulsify into an oil-in-water (O / W) emulsion system;
[0046]S3. Adding the oil-in-water emulsion system to the external phase oil to emulsify into an oil-in-water-in-oil (O / W / O) multiple emulsion system to obtain a multiple emulsion system cosmetic composition.
Embodiment 3
[0048] S1. According to the formula shown in Table 3, configure the inner phase oil, intermediate water phase, and outer phase oil respectively, and perform pretreatment (dissolution and dispersion) respectively to form a uniform state;
[0049] S2. Mix the internal phase oil with the intermediate water phase to emulsify into an oil-in-water (O / W) emulsion system;
[0050] S3. Adding the oil-in-water emulsion system to the external phase oil to emulsify into an oil-in-water-in-oil (O / W / O) multiple emulsion system to obtain a multiple emulsion system cosmetic composition.
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