Pearl powder can play the role of health care and beauty, while fake and shoddy pearl powder not only can't protect health and beauty, but will endanger consumers' health due to reasons such as the total number of Escherichia coli exceeding the standard. So, how to identify its authenticity? The introduction is as follows:

High-quality pure pearl powder: the raw material is high-quality seawater pearls, which are selected and cleaned, produced according to the pharmaceutical quality standards, and passed the inspection. Texture: the powder is white and uniform in color, and contains no impurities. Hand feel: it feels delicate and smooth when touched, and is easy to be adsorbed on the skin.

smell: it seems to have a faint fishy smell, but there is no other peculiar smell. Fake pearl powder: Fake pearl powder is generally made by heating mussel shells with alkaline water and lime, then removing the black on the surface, crushing, sieving and packaging. Texture: Take a small amount of powder with your fingers, spread it out in the sun or light and observe it carefully, and you can find that there is obvious flash. This is mica.

color: obviously whiter than pure pearl powder.

This fake pearl powder is mixed with hydrolyzed animal protein powder, and mica will stick in the stomach after long-term use. Inferior pearl powder:

Texture: The main raw material of this powder is the powder drilled in the process of processing pearl jewelry, mixed with talcum powder.

color: yellowish, which is mainly caused by high temperature heating during drilling.

odor: it tastes burnt or smelly when taken. Black steel needles drill holes in pearls by heating and rotating, and the fragments of black steel needles fall into the powder, which contains a lot of metal bodies, which will make people chronically poisoned after long-term use < P > Also, talk about the ground fine pearl powder, which is not water-soluble. (1) Appearance: stick a little pearl powder with your hands, and carefully see if there is any obvious flash. If there is any, there are impurities in it. (2) Handle: Fine and smooth pearl powder is easy to attach to your hands. Softness is very important to pearl powder. (3) Color: fake pearl powder may be particularly white or yellow, and the color of pearl powder that is good is pearl white. (4) Experiment: adding vinegar or hydrochloric acid will cause bubbles (although shell powder will also cause bubbles). (5) Taste: seawater pearl powder has a little fishy smell, fake pearl powder has a burnt smell or a bad smell, or other tastes. (6) Origin: Seawater pearl powder is mainly produced. Freshwater pearl powder is mainly produced in Zhejiang. If it is produced in Zhejiang and says Haizhu, it is fake. (7) Packaging: the packaging is too rough, which may be unqualified. (8) Specifications: the pearl powder produced by good manufacturers is small in size for preservation. Shell powder with large size is likely to be 9) mesh number: the minimum mesh number of pearl powder is 2 mesh and the maximum mesh number is 8 mesh, and those exceeding 2 mesh number are all false. If it is identified that water-soluble pearl powder is

(1) coarse, because it will crystallize during hydrolysis

(2) soaked in hot water for 1 minutes, stirred and dissolved into clear water

(3) it will not be marked.