Refillable empty eyeliner cases are cosmetic containers that are designed to hold liquid eyeliner products

Refillable empty eyeliner cases are cosmetic containers that are designed to hold liquid eyeliner products. These cases are typically made from materials such as plastic, metal, or glass and are designed to be reusable by allowing the user to refill the container with their preferred eyeliner formula.

The empty eyeliner cases typically consist of a base, which holds the eyeliner formula, and an applicator, which is used to apply the eyeliner to the eye. The applicator can be a brush or a felt-tip pen, depending on the design of the eyeliner case.

Refillable empty eyeliner cases are a popular option for those who prefer to use their own eyeliner formula, as they allow users to customize their product and reduce waste by reusing the container. They can also be a more cost-effective option in the long run, as the user only needs to purchase the eyeliner formula rather than a new container each time.

It's important to note that the quality and performance of the eyeliner applicator can vary depending on the design of the container and the quality of the brush or pen. Additionally, it's important to properly clean and sanitize the container and applicator to prevent contamination and maintain the quality of the product.