REVITALASH Cosmetics Advanced Eyelash Conditioner 2mL/.067oz Full Sz & SEALED! This award-winning eyelash serum is a proprietary blend featuring a scientifically-advanced technology. Peptides, lipids, biotin, and green tea extract, rich in Panthenol, condition and strengthen lashes while defending from environmental damage, as well as damage caused by lash styling products that can cause breakage and brittleness.