Composite sun-screening agent, sun-screening composition prepared from composite sun-screening agent and preparation method of sun-screening composition
The technology of a sunscreen agent and composition is applied in the field of composite sunscreen agent and sunscreen composition composed of the same and the field of preparation thereof, which can solve the problems of unpleasant appearance, large proportion of physical sunscreen agent, and many chemical sunscreen agents, and achieves good industrial performance. The effect of application prospect, refreshing skin feel, good use feeling, and simple preparation process
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Embodiment 1-4 and comparative example 1-5
[0035] Examples 1-4 and Comparative Examples 1-5: Preparation of sunscreen composition
[0036] Weigh the composite sunscreen according to the ratio in Table 1, heat the composite sunscreen to 40-50°C until it is completely transparent and free of particles; homogenize the dissolved composite sunscreen and emulsifier at a speed of 7000-8000rpm, After 4-6 minutes, no obvious particles can be observed, which is recorded as the oil phase; the pH regulator is weighed according to the ratio in Table 1 and fully mixed and dissolved until there are no obvious particles, and the pH value is adjusted to 7.2-7.6, and then add anti-corrosion The agent, active substance and water are fully mixed and dissolved, and the pH is adjusted to 7.2-7.6, which is recorded as the water phase; the water phase is slowly added to the oil phase, and stirred and emulsified at a speed of 350-450rpm; the emulsified oil phase, Homogenize the water phase at a speed of 6000-8000rpm for 1-3 minutes. Observe th...
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