Established in 1985 as a wholly owned subsidiary of Miyoshi Kasei, Miyoshi America develops and manufactures surface-treated pigments, mineral substrates, and related materials for the cosmetics and personal-care industry. Based in Connecticut, the company builds on Miyoshi Kasei’s invention of silicone surface treatment for cosmetics in the 1970s and supports North American customers through the group’s international operations. Miyoshi America received an EcoVadis Gold Medal in 2024 and operates solar panels and solar-powered EV charging stations at its Connecticut facility.
Ecovadis Gold Medal 2024
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Responsible Mica Initiative (RMI) Membership
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COSMOS Approved
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