This adhesive is specifically produced for eyelash extensions. Extreme PRO + Adhesive drying superfast (1 second). Extreme PRO + Adhesive 10ml holds powerful bonding and flexibility. Adhesive strong fumes are average and the permanence is approximately 7 to 8 weeks. This adhesive is liquid and colour black. Glue does not change into thick and do not dry into the bottle. Shake well before every use! The adhesive is of high quality and medically approved. Only for professional use.