Lash Adhesive 101: Everything You Need to Know

beauty salon eyelash adhesive lash tech

The longevity of eyelash extensions is a delicate balance of glue quality, application technique, and aftercare. This guide will walk you through the essential steps to ensure your eyelash glue performs optimally, enhancing both the quality and durability of your extensions.

Optimal Conditions for Glue Usage


  • 1. Temperature:
    Maintain a temperature between 18°C and 25°C (64°F and 77°F). This range ensures the glue's viscosity is ideal for application, preventing it from drying too quickly or too slowly.

  • 2. Humidity:
    A humidity level between 50% and 65% is recommended. This range helps the glue cure properly, ensuring strong adhesion without becoming too brittle or weak.

  • 3. Avoid Drafts:
    Keep the glue away from direct drafts or air conditioning vents. Sudden changes in temperature and humidity can affect the glue's performance.

  • Storage Tips for Unused Glue

  • 1. Cool and Dark:
    Store unopened glue in a cool, dark place, away from direct sunlight. This helps preserve the glue's quality and shelf life.

  • 2. Refrigeration:
    For areas with high temperatures, consider storing the glue in a professional beauty refrigerator set below 12°C (54°F). However, avoid using a household refrigerator due to the risk of moisture contamination.

  • 3. Seal Properly:
    Always ensure the glue bottle is tightly sealed after use to prevent moisture from entering and degrading the adhesive.

  • Preparing the Glue for Application

  • 1. Temperature Control:
    Keep the room temperature between 18°C and 25°C (64°F and 77°F) during application. Extreme temperatures can affect the glue's performance.

  • 2. Humidity Control:
    A humidity level of 55% is optimal. If the humidity is too high (above 65%), the glue may cure too quickly and become brittle. If it's too low, the curing process slows down, potentially leading to weaker bonds.

  • 3. Activation:
    Before using the glue, shake the bottle vigorously for more than 30 seconds. This ensures the glue is well-mixed and ready for application.

  • 4. Check Consistency:
    After shaking, check the glue's consistency. It should flow out as a liquid black color, indicating it's ready for use.

  • 5. Air Release:
    Tilt the bottle at a 45° angle and squeeze out any air before sealing it. This prevents air bubbles that can affect the glue's performance.

  • 6. Clean Nozzle:
    Wipe the nozzle clean with a lint-free cotton pad after each use to ensure a smooth flow of glue.

  • 7. Desiccant Packet:
    Store the glue with a desiccant packet to absorb any moisture that may enter the bottle.

  • Conclusion
    Proper storage and handling of eyelash extension glue are crucial for achieving long-lasting, high-quality results. By following these guidelines, you can ensure your glue performs at its best, enhancing your clients' eyelash extension experience. Remember, a little care goes a long way in maintaining the integrity and effectiveness of your adhesive.

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