Naturally Lengthens and Thickens the Appearance of Eyelashes without Mascara. Real Lash is a breakthrough conditioning lash treatment that within weeks strengthens and conditions your natural lashes while they grow to maximize Lash Length, Fullness and Thickness. Apply. Real Lash twice a day and within three to eight weeks, your own natural eyelashes will have real results. Once used exclusively in the entertainment industry,. Real Lash is now available to anyone who wants beautiful eyelashes. One bottle is a 3 month supply.