Choose Your Ideal Adhesive

In the bottle

Eyelash extension glue has a limited shelf life once opened due to moisture in the air starting the curing process. Professional lash adhesive generally lasts about 6–12 months unopened if stored in a cool, dark place. After opening, it usually remains effective for about 4–6 weeks before it begins to thicken, lose bonding strength, or dry out.

 

On the client's lashes

Lash extension retention is influenced by natural lash growth cycles and external factors, including application technique, aftercare, and adhesive quality. Realistic retention lasts 2–4 weeks, as extensions shed naturally with the lash. Poor technique, oil buildup from improper cleansing, or rigid adhesives can cause premature loss. To maintain fullness, clients should expect fills every 2–3 weeks, which reflects normal lash shedding rather than retention failure.

To extend the life of your lash extensions:

• Avoid oil-based products around your eye area because oils break down the glue bond.
• Be gentle—avoid rubbing or tugging lashes.
• Brush softly with a clean spoolie to prevent tangles.
• Avoid sleeping directly on your lashes or excessive heat/steam early after application.
• Schedule regular touch-ups every 2–3 weeks to maintain fullness.

Additionally, choosing an adhesive that matches your environment’s temperature and humidity can help the glue cure properly and last longer.

Yes, sensitive eyes can use lash extension glue—with the right type of adhesive. Many brands offer hypoallergenic or low-fume glues designed to reduce irritation and discomfort while still providing good retention (e.g., 5–7 weeks). People with sensitivities should also consider a patch test before full application.
For very sensitive eyes, manufacturers sometimes produce formulas with reduced cyanoacrylate fumes, which are less likely to irritate.

The main environmental factors that make eyelash glue dry faster include:

• High humidity: Moisture in the air activates cyanoacrylate more quickly, causing glue to cure faster and sometimes prematurely.
• Temperature: Heat and humidity can accelerate curing; very dry conditions can slow dry time.
• When glue is exposed to air repeatedly (e.g., left open), it begins to cure sooner and loses effectiveness.

The ideal conditions for lash glue curing are moderate humidity (usually around 45–60%) and stable room temperature to ensure balanced dry time and strong retention.

Normally, eyelash extension glue itself shouldn’t damage your natural lashes if applied correctly. However, improper use can negatively affect your lash health. Poor bonding technique, pulling or tugging of lashes, and frequent use of heavy extensions can cause stress and lead to premature shedding of the natural lashes. Some experts also highlight that overuse without breaks can weaken natural lash growth over time.