Ghost Bond | Lace Wig Adhesive | Hair Glue (1.3oz). Directions -Poly - Apply one thin coating to the hair system base and 4 thin coatings to the head. Apply each coat as soon as previous coat turns clear (approx. 20 seconds). After the 4th coat wait 7 minutes and press hair system into place. Lace: Follow same steps for poly but Do not apply to lace base. Apply to scalp only.