What is crucial for ensuring a strong bond during eyelash extension application?

A strong bond during eyelash extension application is fundamentally ensured by the proper curing of the adhesive. Curing refers to the process by which the adhesive bonds to both the natural lash and the extension, creating a secure attachment that can withstand daily activities and maintenance. This involves allowing the adhesive time to dry and set correctly so that it forms a robust connection.

Using the correct amount of adhesive and ensuring that the environmental conditions (like humidity and temperature) are suitable are also critical factors in the curing process. When the adhesive does not cure properly, it can lead to premature shedding of the extensions or discomfort for the client.

While keeping the client's eyes closed, varying the lengths of lash extensions, and applying warm compresses may have their own benefits in terms of comfort and aesthetics, they do not directly influence the strength of the bond that is formed during the application. Thus, focusing on the proper curing of the adhesive is key to achieving a successful and durable eyelash extension application.