Lilash: Used daily LiLash will grow the appearance of the longest, fullest lashes you have ever had. Guaranteed. Applied daily as a liquid eyeliner you will notice LiLash begin to change your lashes in several weeks. Wait 4-6 weeks and watch your lashes transform right before your eyes. LiLash is the world's most powerful and fastest-acting eyelash conditioner. Our no-salt, nonirritating formula is just one more benefit that sets LiLash apart. LiLash is a favorite of eyelash extension wearers who notice better support and less lash breakage.