Bonding Black Glue has a unique formula ideal for the perfect hold in hair bonding . Salon Pro Exclusive Anti-Fungus Hair Bonding Glue 1 oz, 2 oz, 4 oz- Black & White Anti-Fungus Hair Bonding Glue 1 oz Salon Pro Anti_Fungus Bonding Black Glue has a unique formula ideal for the perfect hold in hair bonding. Also, it protects your hair from fungus infection. The cap has a special seal so it last longer.