This lash extension sealant protects new lashes against sweat, dirt, water and environmental chemicals that may attack lash adhesive. This sealant not only gives the eyelash extensions a maximum bond but also gives them a seamless coating. We recommend to use on “classic” lash extensions only. This sealant not only gives the eyelash extensions a maximum bond but also gives them a seamless coating. We recommend to use on “classic” lash extensions only.