Shellac is used in various concentrations, or “cuts,” that are mixed with denatured alcohol to determine the thickness of each coat. For a full-finish wood coat, a ratio of 2 pounds of shellac ...

Shellac is a natural resin produced by the insect Laccifer lacca and is mostly harvested in India for use in varnishes, food coatings, and cosmetics. In 2002, six patients with eyelid dermatitis ...

Those ingredients include quaternium-22, shellac, colophony ... and waxes (to provide consistency and thicker coating of the eyelash hairs). The following is a report of four female patients ...