The essence bye panda eyes! vol. def. masc. is a game-changer, according to Rachel's video review. She raves about how this mascara enhances her already long lashes, giving them an amazing look that lasts all day without smudging or clumping. Rachel particularly appreciates its ability to hold well, even for those with longer, thicker lashes. She also mentions that it is waterproof, making it a reliable choice for any occasion. Additionally, she is pleasantly surprised by its affordability. Overall, Rachel is obsessed with this mascara and highly recommends it to anyone who wants long-lasting, smudge-free, and waterproof lashes.