Eyelash growth serum, with a dermatologically and ophthalmologically tested formula, with 2% Widelashâ„¢ serum, with biotin, hyaluronic acid, panthenol and amino acids. It is used to strengthen brittle and damaged lashes, as well as it helps to grow longer and stronger lashes, with over 74% visible results in just 4 weeks. It is recommended to apply 1-2 times a day, after the face has been cleansed of makeup. It can also be used for eyebrows.