What type of adhesive is primarily used in the application of eyelash extensions?

The correct answer is eyelash extension adhesive or glue. This type of adhesive is specifically formulated for use in the application of eyelash extensions, offering properties that are designed to ensure a secure and long-lasting bond between the natural lashes and the extensions.

Eyelash extension adhesives are typically made with medical-grade ingredients, ensuring they are safe for use near the eyes. They are also designed to cure quickly and withstand various conditions, such as humidity and temperature changes, which can affect the performance of the bond. Additionally, these adhesives are often hypoallergenic and formulated to minimize the risk of irritation to the sensitive skin around the eyes.

In contrast, super glue is too strong and can cause damage to the natural lashes or skin, while regular craft glue is not formulated for this specific use and is likely to result in poor adhesion. Wood glue, similarly, is entirely unsuitable for use on the body and can contain harmful chemicals. Thus, the eyelash extension adhesive is the only appropriate choice for safely and effectively applying and maintaining eyelash extensions.