The Eyelash Serum Treatment Eyelash serum to enjoy long and beautiful eye makeup Woody citrus scent that soothes daily lash care 80%~90% of eyelashes are made up of keratin, a protein made up of amino acids. Eyelashes are damaged by daily makeup, friction from washing and cleansing the face, ultraviolet rays, etc. You lose protein and end up with damaged lashes. Damaged eyelashes are easy to break, and you may not be able to apply eye makeup as you want. It also affects the finish and longevity of your lashes extensions and perms. By supplementing keratin and amino acids in daily eyelash care, you can concentrate on damage and maintain healthy eyelashes. It is an eyelash serum to enjoy long, beautiful eye makeup.