What makes Mascara by Killing Heidi notable?

The album debuted at number one on the ARIA Albums Chart and went double platinum in Australia, solidifying Killing Heidi's status in the late '90s music landscape. Its lead single, 'Mascara,' received extensive airplay and acclaim for its relatable themes and catchy sound, influencing many upcoming Australian artists in the alternative rock scene. Released on November 10, 1999, 'Mascara' was Killing Heidi's debut album, marking their entry into the Australian music scene. The band had gained attention with their single 'Mascara,' which became a commercial success before the album release, establishing them as significant players in the alternative rock genre.