According to some sources, the color of this stone changes to a dull green in response to loss of water. This gemstone is also very sensitive to pollution. Other possible causes of discoloration include contact with oils and cosmetics. Therefore, it is better to take your ring off before washing your hands with chlorinated water or soap.
Turquoise is also very vulnerable to scratches. Furthermore, keeping it in water too often and too long will cause it to fade.
It is recommended to drain its energy once a month by placing it in a bowl of Hematite stones and recharge it overnight among crystals and away from sunlight.