1.Never put mascara on them, especially the waterproof mascara. It will damage the mink hair. If you want, apply mascara on your natural lashes first.
2.Never soak them in water. Getting the lashes wet will damage the shapes and curls of your lashes.
3.If your lashes get wet and lose their curl, you can use an eyelash curler to reshape them. You can also curl the lashes while they are applied on your eyes.