Who's behind Poy-Sian? Check before you buy

Poy-Sian is owned by Gold Mada Product Co., Ltd., headquartered in Thailand. No. The ultimate owner of Poy-Sian, Gold Mada Product Co., Ltd., is headquartered in Thailand, not in the United States.

Gold Mada Product is a Thai-based pharmaceutical and herbal product company specializing in traditional aromatic treatments, most notably the Poy-Sian nasal inhaler brand.