I used Dematex (a white glue) all around the perimiter and down the center and for the front. It's a white glue and I usually got 2 weeks hold and washed my hair almost every day. The clean up was with a citris based cleaner. I would use a lace release to take off the unit, then spray the citris cleaner on my head and let is sit, make sure it does not run into your eyes.... THe weird thing I did was I took a CREDIT CARD!! to scrape off the goop. Worked for me! Now I am using super tape ont the back and sides with the white glue in front, it is easier to clean up....