The reviewer, Sherrida, highly recommends the bye panda eyes! vol. def. masc. by essence. She praises its natural look on her already long eyelashes and its ability to not smudge, which has been a major issue with other mascaras she has tried. Sherrida considers it her favorite mascara and encourages others to try it. Overall, the bye panda eyes! vol. def. masc. by essence seems to be a reliable and effective product for achieving natural-looking, smudge-free lashes. However, it would be helpful to have more information on its other features and potential drawbacks to provide a more comprehensive assessment.