Advanced Lash & Brow Serum A targeted, clear serum that helps to grow and strengthen lacklustre eyelashes and eyebrows, thanks to a complex of hair-enhancing peptides. Medik8 Full Lash & Brow works to provide healthier, fuller-looking eyelashes and eyebrows without irritation. Revitalise weakened lashes and brows with the blend of intensive, nourishing and hydrating ingredients. The formula provides a lengthening and thickening effect, enhancing overall appearance. In a convenient dual-ended applicator, the eyelash side features a fine paintbrush which gives a precise application to the eyelash root. For the eyebrows, there is a shortened mascara wand so the powerful serum can be brushed directly onto the eyebrows.