Small - The Small size will add a more dramatic lift to the eyelashes.
Medium - The Medium size is recommended for clients with thick lashes. Clients with hooded eyelids benefit from the medium size pad. If the small pad is used with hooded eyelids, it can potentially lift the lashes too much causing the lashes to curl back on the client's eyelids.
Large - Clients with very long and straight lashes benefit from the large size pad. Also, clients with very curly lashes that are planning to have semi-permanent lash extensions applied benefit from the large size pad as it provides just the right lift making the application of extensions easier.