Jewelry also have a big risk beauty woman to be careful Metal allergy: Every one million people in the world have a cause of allergies due to metal. The most common sensitized metal is nickel, jewelry is also the main allergen. In the event of allergies, can cause contact with the skin around the redness, itching, dripping yellow water and other contact dermatitis performance. In the daily life of many alloy products contain nickel. Such as coins, all kinds of alloy products, electroplating objects, spectacle frames, metal watch straps, belt buckles, artificial jewelry, underwear Cartier nail bracelet replica buckles, etc., direct and skin contact will make sensitive people allergies. Chromium, mercury, gold, platinum, barium, etc. can also cause allergic reactions, such as dampness and anaphylactic shock, which are the release of metal ions caused by adverse reactions. Perforation for the human body is a trauma in the wound site into a human body does not belong to the body of foreign body metal, foreign body will continue to stimulate the body will make the site of the hole becomes hypertrophy, the organization may appear hyperplasia, tumor-like processes, Severe may also occur in cancer, in the nose, lips, tongue and other nerve endings are very rich areas of perforation with ornaments, more or less will affect the function of organs. Allergy symptoms: A wearing earrings will appear ear lobe redness, and even shed soup, it was worn after the watch, there will be itchy rash in the wrist, and some people wear glasses, frames exposed to the skin parts of the rash, peeling phenomenon, these are Is a typical phenomenon of metal allergy. Metal is the most likely to cause allergic contact with dermatitis is nickel. Whether it will produce allergic reactions to nickel, depending on the individual physique may be, allergic reactions are often in contact with a period of time after the show. The most common phenomenon is that if the skin exposed to nickel-containing metal at the sweat of the situation, so that the release of nickel in the metal, and thus cause skin irritation. Commonly around the navel of the eczema reaction, mostly due to the metal buttons on the pants, or the metal buckle on the belt caused by contact dermatitis. Jade one, meaning emerald green, from emerald bird name. In ancient China, emerald is a bird living in the south, its coat color is very nice, usually blue, green, red, brown and other colors. But generally this kind of bird male for the red, that the "Fei", female for the green, that the "Tsui". Tang Dynasty famous poet Chen Ziang in the "love" a poem wrote: "to the Qing Dynasty, the emerald birds feathers as jewelry to enter the" jade "," the emerald, nest Nanhai, male and female beads from the beautiful imitation Cartier love bracelet light jewelry, The court, especially the green Tsui Yu loved by the Royal Palace. They put it in the head as a hair ornaments. With feathers inlaid embellishment for jewelry, so the name of the jewelry made with Tsui word, such as tin Tsui, beads and so on. At the same time, a large number of Burmese jade through the tribute into the palace deep courtyard, for the ladies favorite. Because of its color is mostly green, red, and jade feathers are very the same, so people call these jade from Myanmar jade, gradually the name also spread in the Chinese folk. Thus, the name of jade from the bird name to the name of the jade. First, look at the texture. That is, we often say that the emerald "species", "species", that is, the density of internal mineral particles, thickness, thickness. Good jade, the internal particles dense, delicate, easy to light through, looks crystal clear, watery feeling, also known as the kind of old; and the kind of difference between the emerald, the crystallization between the particles is not dense, relatively rough, light is not Easy to pass, and kind of good compared to look muddy some, also known as tender tender. Naturally, we have to try to choose a good variety of emerald. Second, look at the color. Color, is green. Usually said "Fei" is red, can not be called "color". Green in the change in the great jade, color is, color partial, color thick, pale, very different. Color is, color uniform, shades appropriate, the price is high, with hedging and appreciation of space. Any high green (especially bright) or full green products must be particularly careful. Because if the real price of its high price, the general price is not possible to sell. Such as with a small amount of green head and bright and bright color is better, the price is more moderate. Third, look at the "bottom". In addition to the color part of the "bottom", or "base". A good jade jewelry not only to "kind of old", "color is", the foundation should be clean, does not contain impurities. Four, look at work Character statue mainly to see whether the face is correct, facial features are reasonable; animal statue to see the proportion of the trunk and limbs are appropriate, the shape is natural, flower Fake Cartier love bracelet carving to see if the lines are smooth, the layout is reasonable. The most can reflect the jade culture is the production process. Good workmanship, fine carving, rich cultural connotation of jade jewelry, whether collection or watch, wear are of great value. It is recommended that consumers buy jade best to go to formal professional jewelry mall. Regular jewelry shopping malls in the price of jade is more reasonable, relatively concentrated goods, style and more easy to choose. In particular, the brand with the credibility of the emerald business most worthy of the choice of investors, because the well-known brand first reputation protection, customers can produce national authority jade test certificate to ensure that the quality of jade, the price is reasonable. In addition, the brand manufacturers to provide after-sales service is also more perfect, the purchase of goods after years can also be the corresponding after-sales service.