These eyelash extensions add length, thickness and fullness to natural eyelashes. They are the finest synthetic single fiber polyester thread-like materials are applied to individual eyelashes to create a fuller, longer look. The adhesive used is surgical-grade. Extensions come in various lengths, colors and thicknesses, and can be worn during sleep, showering and swimming. However, excessive exposure to oil can weaken adhesive bond. Eyelash extensions differ from "fake" or "false" eyelashes in that they are applied one extension to one lash.
Eyelash extensions may last from two weeks to two months, depending on the cycle of hair growth. As hair grows out, it cycles and falls out naturally, thus shedding the extension with it. Only licensed estheticians may legally do eyelash extensions. In some States, cosmetologists may be allowed by law to perform eyelash extensions.