Product details host Bond XL comes from the same makers as the original formula except that this series has better resistance from water and moisture! With new improved features which include, extra moisture protection and higher melting point, you can have peace of mind and confidence that your bonding adhesive will hold up to the most intense climates. Directions: 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. Use the Bond remover to Quickly remove the glue remaining on the scalp when the wig is pasted