Fuller-Looking Lashes in Weeks. Oil-Free and Safe to Use with Lash Extensions and Strip Lashes. Cruelty-Free + Vegan. 6 Week Supply. For naturally fuller, thicker, and darker-looking lashes, look no further. Our lash conditioner is full of hydrating and conditioning ingredients that protect against damage from environmental stressors, lash curlers, extensions, and makeup removal. This peptide-rich formula delivers major lash love for a more fortified lash line over time.