Our History
Since the early 1950s, NSI parent company, AMCO, a family-owned concern, was the proud manufacturer of high-quality products for the dental and nail industry. NSI’s history started with humble beginnings in 1957 when Dr Slack (Fred Slack’s father) cut his thumb nail while working in his dental laboratory. Using aluminium foil, he created a platform to fix the nail with dental acrylic, which led to the patent of the nail industry’s first sculptured form.
Patent of nail industry’s first sculpture form.
Original chemists, Fred Slack and Bob Maxwell
As early developers, inventors, and chemists, the company pioneered the first non-yellowing, cross-linking formulations used in all acrylic systems today. In the late 1960s, Fred Slack along with his team developed a new “nail technician friendly” liquid and powder which is still being used worldwide.
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Professional Beauty Nov/Dec Issue
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