The Princess Lash Eyelash Growth Serum is a unisex product designed to promote longer and fuller natural lashes. With a formulation of all-natural ingredients, this serum is oil-free, alcohol-free, and animal cruelty-free, making it suitable for sensitive eyes. It is hypoallergenic, contains minerals, and has been dermatologist-tested for safety. The clear serum comes in a 3ml size and should be applied once across lash roots every night for optimal results. With a period after opening of 12 months, this eyelash serum from the Princess Lash brand is a vegan option that offers a standard size.