1. Position your eye aligned with the tool opening. Apply mascara to top lashes by holding the top edge of the opening against the top eye lid and lash line. Position the bottom edge of opening aligned against lower lash line to apply mascara to lower lashes. 2. Apply mascara starting at base of lashes near guide edge and moving upward and out to end of lashes. 3. Using the comb edges on the top of the tool, glide the comb teeth through lashes while mascara is still wet to remove excess mascara. 4. Wipe clean to remove any excess mascara on guide. Wipe clean with makeup remover or alcohol in between uses.