EBIN Wonder Lace Bond Adhesive Spray Extreme Firm Hold #Sensitive 2.7 ozSpecially formulated for those with sensitive scalp. No more worries about irritation under the scalp and hairline. You can put on your favorite wig with no damage.Wonder lace bond adhesive spray is a melting spray to melt your lace to secure your wig. Formulated to seamlessly blend into your hairline for natural look.