MAXIMUM HOLD HAIR REPLACEMENT GLUE: Our industry leading silicone 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 One of the strongest liquid adhesives available, high-quality medical-grade Sunshine Silicone Elite Maximum Wear Liquid Adhesive securely bonds skin bases, lace bases, and poly perimeters on lace or monofilament bases to scalp for up to five weeks, depending on body chemistry, lifestyle, and environment. 4-ounce brush-on.