What makes Cosmetic by SID notable?

The album debuted at number 5 on the Oricon charts, showcasing SID's growing popularity in Japan. 'Cosmetic' was notable for its exploration of themes related to beauty and identity, resonating strongly with listeners and contributing to discussions around self-image in contemporary society. Released on September 29, 2010, 'Cosmetic' marked SID's fifth studio album, following their commercial breakthrough with 'Hikari no Kizu' in 2008. At this point in their career, they were solidifying their presence in the Japanese rock scene, expanding their sound while maintaining a loyal fanbase.