Eco Style Black Castor & Flaxseed Oil Under-Wig Styling Bond is specially formulated to flatten and prepare your hair for front lace wig placement. The convenient tube applicator makes it easy to apply without the mess. This 48-hour hold bonding gel is excellent for styling, sculpting, and spiking. Water-based for easy wash out. Black Castor & Flaxseed oil moisturizes and protects your hair, eliminating dryness and itching, while Babassu Oil penetrates your hair to protect your scalp.