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When formulating lip products, it is crucial to use ingredients that are safe for ingestion and application on sensitive areas of the body. The skin on our lips is thinner and more sensitive than the skin on the rest of our body, making it susceptible to irritation and allergic reactions. Therefore, not all mica powders are designed for lip products. To be labeled as lip-safe, the mica powder must meet specific safety standards that ensure it does not contain harmful contaminants or heavy metals that could pose health risks when applied to the lips.


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natural mica powder_natural mica powder

Take pearlescent pigments as an example, pearlescent pigments are a class of pigments with pearl luster, which are deposited on the substrate (generally natural mica, synthetic mica, glass sheet and other sheet-like materials) above a layer or alternately deposited multiple layers of metal oxides or non-metallic oxides and formed a flat sandwich body with a structure similar to sandwich. Due to the difference in refractive index between the substrate and the oxide deposited on its surface and each oxide, when the light shines on the surface of the pearlescent pigment, the incident light will be refracted and reflected at the interface of each layer of the pearlescent pigment, and the color of the pearlescent pigment that people see is the result of the superposition of light after multiple refractions and reflections of the light, that is, the interference phenomenon of light.

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natural mica powder_natural mica powder