Double growth and thickening effects: Lash serum features a slim brush head specifically designed for growth and a plumping brush head specifically designed for thickening. This can meet the needs of users who want both growth and thickening effects and can easily achieve this with a double effect mascara. Long-lasting curl: Mascara contains ingredients that can enhance the curl effect. With the specially designed curler brush head, lashes can be clearly defined without getting tangled and can be curled for a long time, making your eyes look brighter and brighter. Waterproof and smudge-proof: waterproof mascara is waterproof and smudge-proof. Even in a humid environment or with all-day application, the mascara can remain clear and complete without smudging or coming off. Gentle protection: Mascara waterproof black contains soft and moisturizing ingredients that can protect the lashes from damage while leaving them soft and shiny. This is particularly important for people who use mascara frequently, as it can beautify the lashes and at the same time take good care of them.