Our Castor Oil Eyelashe Essence Contains Castor Oil. It Helps Eyelashes Grow Longer. Its Use Method Is Very Simple: After Removing Makeup and Cleansing Every Night, Keep Eyelashes Clean and Dry. Apply Head Essence to Upper Eyelashes Or Eyebrow Root Outward from Inner Corner. (Use It Every Day to Make Eyelash Essence Work.) eyelash Growth after Use, Repair Hair and Promote Hair Growth.