Joke Collection Website - Talk about mood - Can pearl powder whiten the skin?
Can pearl powder whiten the skin?
Smell: It smells slightly fishy, 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 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 to the stomach after long-term use. Inferior pearl powder:
Texture: The main raw material of this powder is the powder drilled during pearl jewelry processing, mixed with talcum powder.
Color: yellowish, mainly caused by high temperature and high heat during drilling.
Smell: there is a burning or smelly smell when taking it. Black steel needles drill holes in pearls by heating and rotating, and the fragments of black steel needles fall into powder, which contains a large number of metal bodies, which will make people chronically poisoned if taken for a long time.
Also: talk about the ground fine pearl powder, which is insoluble in water (1). Appearance: touch a little pearl powder with your hand and carefully see if there is any obvious flash. If there is, there are impurities in it. (2) Handfeel: Fine and smooth pearl powder is good and easy to attach to hands. Softness is very important for pearl powder. (3) Color: Fake pearl powder may be particularly white or yellow. Pearl white is the best color of pearl powder (4) Experiment: adding vinegar or hydrochloric acid will produce bubbles (but shell powder will also produce bubbles) (5) Taste: seawater pearl powder has a little fishy smell, fake pearl powder has a burnt or smelly smell, or other tastes (6) Origin: seawater pearl powder is mainly produced in Beihai, Guangxi, also known as Nanzhu; Freshwater pearl powder is mainly produced in Zhejiang. If it is produced in Zhejiang, it is false to say Haizhu. (7) Packaging: The packaging is too rough and may be unqualified. (8) Specification: Pearl powder produced by good manufacturers is small in size and easy to store. The large size is probably shell powder. 9) Mesh number: The minimum mesh number of pearl powder is 200, and the high mesh number is 800. More than 2000 items are fake. If water-soluble pearl powder is distinguished,
(1) is coarse because it will crystallize during hydrolysis.
(2) Soak in hot water for 10 minute, stir and dissolve in clear water.
(3) Mark \ \ \ "water-soluble \ \ \" instead of the title number.
(4) Small-sized hardcover packaging.
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