MAXIMUM HOLD HAIR REPLACEMENT GLUE: Our industry leading acrylic hair glue is formulated to withstand the wear and tear of every day life with an extremely easy clean up and application for ultra holds of up to 3 to 5 weeks (35 Days) INVISIBLE BONDING: Consumer and Stylist friendly, dries clear MEDICAL GRADE: Enjoy a truly premium high quality ultra hold hair adhesive, great for expensive hair systems EASY CLEANUP: Easy when using Sunshineäó»s Citrus Cleaner or Alcohol based remover FREE FROM LATEX, HARSH SOLVENTS OR TOXIC INGREDIENTS: Proudly made in the USA free from harsh chemicals and ingredients, making this wig glue an instant and reliable favorite Sunshine Skin Safe Maximum Wear Acrylic Adhesive is a clear extended-wear adhesive that provides a secure bond for up to four weeks, depending on body chemistry. Favored by users, it is one of the strongest skin-safe acrylic adhesives available for use on lace bases, skin bases, and poly perimeters on lace or monofilament bases. 4-ounce brush-on.