Say hello to the lashes and brows of your dreams with our lash and brow serum twin pack. Twin pack contains 1 x lashfridays lash serum & 1 lashfridays brow serum. Infused with a combination of peptides, collagen and vitamins, our lash & brow serums will help to nourish lash and brows to appear longer, fuller and more voluminous. 60 day lash and brow guarantee. Each tube 3 months Supply if applied daily. Lash Serum can be used with lash extensions.