Lengthen, strengthen, and condition lashes and brows with Organic Castor Oil Eyelash Serum by Sky Organics. Made with 100% pure, ethically sourced USDA organic Castor Oil, this serum helps support healthy lash and brow growth to make your lash and brow goals a reality. Rich in vitamins and omega 6 fatty acids – this single-ingredient serum lengthens lashes without the burning, irritation, or discoloration that other lash growth treatments can cause, giving you visibly longer lashes and fuller brows in as little as 3 weeks.