I will. Try not to wear jewelry when taking a shower. Gong contained in cosmetics and toiletries reacts chemically with sulfur in the air, which will make the surface of hair crystal bracelet black. Hair crystal bracelet is made by grinding the original stone into round beads. There are many kinds of hair crystals, including golden hair crystals, green hair crystals, copper hair crystals, black hair crystals, silver hair crystals, red and yellow hair crystals and so on.