Made of natural rubber latex. Keeps false eyelashes attached for a long time. This black adhesive makes it look like you draw an eyeline. Remove the cap and poke the glue tube with the other end of cap. Apply the glue to roots of false eyelashes. A tip to apply the glue: Take a small amount on the back of your hand and apply to roots. Cautions: Stop using if the adhesive doen't agree with your skin. We recommend you to have a skin test before applying. To test, apply the adhesive on the inside of upper arm for 24 hours to see if an allergic reaction occurs. Do not use if you have scars, lashes or other skin problems. If irritation occurs using the product, stop using immediately and consult a doctor. Gently peel off the false lashes to avoid skin irritation.