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 ...

In all of the cases, shellac was the only individual mascara ingredient to which there was a positive reaction on patch testing (Table 2). Avoidance of Great Lash mascara and substitution with ...