The bye panda eyes! vol. def. masc. by essence is a mascara that promises voluminous lashes and smudge-proof wear. According to Negina's video review, the mascara delivers on its claim of providing volume without weighing down the lashes. The natural look it creates may not be ideal for those seeking dramatic eyelashes, but it works well for everyday use. Negina mentions that she will update on the mascara's smudge-proofness and longevity throughout the day. Overall, the mascara seems to be performing well, providing volume and a desirable look. However, without information on its smudge-proofness and long-lasting effects, it is difficult to fully assess the product's performance in those areas.