Fiber Base Gel – a gel polish base coat with reinforcing synthetic fibers. Fiber Base Gel – a gel polish base coat with reinforcing synthetic fibers. That fibers make a powerful protection cage, that protects the nail plate from brittleness and delamination. Vitamin Е and Calcium incorporated into the E.MiLac Fiber Base composition produce a reinforcing and strengthening effect, re-promoting the natural growth of healthy nails.