3. Safety Cosmetic mica powder is generally recognized as safe for use in cosmetics. It is non-toxic and skin-friendly, making it suitable for most skin types. This is particularly important as consumers are increasingly aware of the ingredients in their beauty products and actively seek out safer alternatives.

X represents large interlayer cations, such as K+, Na+, Ca2+, Ba2+, Rb+, Cs+, etc. Y represents octahedral cations, such as Al3+, Fe2+, Mg2+, Cr3+, Ti4+, Fe3+, etc. Z is mainly Si4+ and Al3+; The ideal ratio of the additional anion (OH)- to (O)2- is 2:10, and (OH)- can be replaced by F- and Cl-. Most mica contain 4% to 5% water. Therefore, although they may be called mica, the chemical composition of different mica may be very different, for the purpose of research, we collectively refer to the minerals with this type of characteristics as mica group minerals.  

Origins of Mica Powder

In 2022, Lingshou Huajing Mica Co., Ltd. launched cosmetic grade mica powder. The flake structure of mica powder can lock the water on the surface of the skin, forming a protective film to effectively prevent water loss. Its unique gloss and reflection effect add natural and charming luster to the skin, and mica powder also has a certain sunscreen effect. To a certain extent, it can reduce the damage of ultraviolet rays on the skin, protect the skin from the external environment, and prevent sunburn.

China, as a leading global supplier and processor of mica, maintains an impressive reputation thanks to its abundant deposits and advanced processing facilities. The Chinese mica industry has capitalized on both its natural resources and cutting-edge technology, thereby setting high standards in the production of various mica-based products. These include everything from the electronics industry's essential components to the cosmetics sector's shimmering pigments.

The powder can come in various colors, depending on the type of mica and the additional pigments used during processing. The colors can range from natural white and beige tones to vibrant shades of blue, green, red, and gold. These colors are usually derived from the natural mineral or enhanced with safe, cosmetic-grade dyes to create an array of vivid and appealing hues.

Mica powder is derived from grinding down natural mica minerals into fine particles. This process not only retains the mineral's natural sheen and luster but also ensures that it remains free of harmful chemicals and synthetic additives. The unique composition of mica allows it to reflect light beautifully, making it perfect for creating shimmering effects in various products, from cosmetics to art supplies.

Natural mica powder and synthetic mica powder also have great differences in electrical insulation, mechanical properties, chemical stability, application range and cost. Natural mica powder has good electrical insulation, but the volume resistivity is lower than that of synthetic mica. Synthetic mica powder has better electrical insulation properties, high volume resistivity and stable dielectric constant, and is suitable for high performance electrical insulation materials. The hardness of natural mica powder is relatively low (2-3), and it has good elasticity and peeling property. The hardness of synthetic mica powder is higher (between 3 and 4), and the tensile strength and compressive strength are better than that of natural mica powder. Natural mica powder is stable in acid-base solution, but it is easy to decompose at high temperature. Synthetic mica powder is stable to acid and base at room temperature, but will be slowly corroded by sulfuric acid above 300℃. Better thermal stability, not easy to release gas. Natural mica powder is widely used in electrical appliances, welding rods, rubber, plastics, paper making, paint and other fields. Synthetic mica powder is mainly used in high-end electrical insulation materials, aviation, aerospace, national defense industry and other high-tech fields. Because synthetic mica powder needs to be produced through complex chemical processes, its production cost is usually higher than that of natural mica powder. Therefore, in the market, the price of synthetic mica powder is often higher than that of natural mica powder. However, with the continuous progress of production technology and the gradual emergence of scale effects, the price of synthetic mica powder is expected to gradually decrease.

One of the significant issues surrounding mica powder is the lack of transparency in its supply chain. Reports have highlighted the problematic extraction processes, particularly in regions like India, where child labor and unsafe working conditions have been documented. These concerns emphasize the need for consumers to be vigilant regarding the sourcing of mica in cosmetics.

In addition to its aesthetic qualities, mica powder is also known for its versatility. It can be used to create a range of effects, from soft and subtle pearlescent sheens to bold metallic finishes. Whether you want to achieve a natural, stone-like effect, a colorful swirl, or a radiant metallic shine, mica powder in resin offers endless creative possibilities.

Conclusion

The common characteristics of mica group minerals are: layered silicate minerals, monoclinic crystal system, a few trigonal crystal system, the crystals are pseudo-hexagonal columnar, plate and sheet; The aggregate is scaly and foliaceous. It has a set of extremely complete cleavage, along which it is easy to peel into sheets. Therefore, the shape of mica is usually regarded as sheet.

Authoritativeness in the domain is underscored by China's ongoing participation in international trade fairs and symposiums, where Chinese firms showcase their latest innovations and set benchmarks for mica usage globally. These events not only position China as a thought leader in mica applications but also as a crucial player influencing global mica market trends.

Natural mica powder and synthetic mica powder also have great differences in electrical insulation, mechanical properties, chemical stability, application range and cost. Natural mica powder has good electrical insulation, but the volume resistivity is lower than that of synthetic mica. Synthetic mica powder has better electrical insulation properties, high volume resistivity and stable dielectric constant, and is suitable for high performance electrical insulation materials. The hardness of natural mica powder is relatively low (2-3), and it has good elasticity and peeling property. The hardness of synthetic mica powder is higher (between 3 and 4), and the tensile strength and compressive strength are better than that of natural mica powder. Natural mica powder is stable in acid-base solution, but it is easy to decompose at high temperature. Synthetic mica powder is stable to acid and base at room temperature, but will be slowly corroded by sulfuric acid above 300℃. Better thermal stability, not easy to release gas. Natural mica powder is widely used in electrical appliances, welding rods, rubber, plastics, paper making, paint and other fields. Synthetic mica powder is mainly used in high-end electrical insulation materials, aviation, aerospace, national defense industry and other high-tech fields. Because synthetic mica powder needs to be produced through complex chemical processes, its production cost is usually higher than that of natural mica powder. Therefore, in the market, the price of synthetic mica powder is often higher than that of natural mica powder. However, with the continuous progress of production technology and the gradual emergence of scale effects, the price of synthetic mica powder is expected to gradually decrease.

The mica powder of HUAJING has the advantage of extremely narrow particle size, and the particle size specifications are complete, such as: 2000 mesh, 1250 mesh, 800 mesh, 400 mesh, 120 mesh, etc. The skin feeling is exquisite.