I tried a Japanese mascara base and my stick-straight lashes are thankful — Project Vanity
Kiss Me Heroine Make SP Curl Keep Mascara Base – J-Beauty Finland
Amazon.com : GECOMO Clear Mascara, Mascara Primer, Waterproof Mascara Primer for Eyelashes Extensions, Natural Curl Hypoallergenic Best White Mascara for Eye lash Makeup : Beauty & Personal Care