Mavala Double Lash is a specialized eye care treatment designed to promote longer, denser, and stronger eyelashes. This Swiss-made product comes in a 10ml bottle with an applicator brush for easy use. Since this is a personal care product that affects eyelash growth and appearance, specific features are not listed for safety reasons. The product should be used according to package instructions and discontinued if any irritation occurs. Consult with a healthcare professional before use if you have any eye conditions or sensitivities.