Chemical leucoderma. an under-diagnosed common condition often mimicking idiopathic vitiligo. represents an acquired depigmentation induced by repeated exposure to specific chemical compounds in subjects with genetic susceptibility to vitiligo. This has been increasing rapidly in incidence in recent decades in developing countries like India. https://www.bekindtopets.com/flash-find-Expansion-Board-2-0-for-Pycom-IoT-Development-Boards-Discontinued-clearance/