Polymerisation is the curing reaction that turns gel from a liquid into a solid coating when exposed to the correct UV/LED light.
This happens because special ingredients in the gel, called photoinitiators, absorb light at specific wavelengths and trigger the chemical process that forms a strong, durable polymer structure.
When the correct wavelength, light intensity, and curing time are used, polymerisation completes properly creating the smooth, long-lasting finish expected from a professional manicure.
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