The crystals on Swarovski crystal necklaces are generally divided into colored crystals and transparent crystals, and the materials of colored crystals are colored. The transparent crystal itself is transparent, and a layer of "laser color film" is pasted on the back of the crystal, and the color of the crystal is reflected by the color film. When wearing swarovski crystal necklace, the colored crystal will not fade, but the color film on the transparent crystal will wear and corrode, leading to fading.

In addition to the fading of the transparent water crystal color film, the metal chain of Swarovski crystal necklace will also fade during wearing. The metal chain of Swarovski crystal necklace is mostly copper alloy. After copper is corroded and rusted, it will produce "patina", and then the patina will stick to the crystal, and the Swarovski crystal necklace will become a strange color.

The swarovski crystal necklace worn for a long time will also fade, so I suggest you keep it carefully to avoid the fading of the swarovski crystal necklace. Wear swarovski crystal necklace to avoid corrosion and stay away from chemical corrosive substances such as cosmetics and sweat; When exercising and taking a bath, you should take off the necklace and put it away to avoid hanging and rubbing, which can prevent the necklace from fading and the crystal from falling off.