Rosemary, a reviewer, tried out the bye panda eyes! vol. def. masc. by essence in a video review. She had previously been a fan of Essence's Lash Princess mascara and was excited to try this one. Rosemary liked the mascara and noticed a difference in her lashes. She also mentioned that it is smudge-proof, which is a great benefit. However, she did not provide any information about potential drawbacks or negatives of the product. Overall, Rosemary had a positive experience with bye panda eyes! vol. def. masc. by essence and praised Essence for consistently delivering quality mascaras.