Choosing the right professional lash glue is one of the most important parts of preparing for an eyelash extension appointment. Your adhesive needs to suit your application speed, working environment, and the type of lashes you are applying.
With several drying speeds and both black and clear options available, it can be difficult to decide which eyelash extension adhesive is the right fit. Is faster always better? How much does humidity matter? When might a clear adhesive be useful?
This guide explains what professional lash artists should consider before choosing an adhesive, with examples from ERYI Beauty’s SG lash glue collection.
1. Why Lash Glue Selection Matters
A professional extension adhesive is used to attach an extension to a natural lash. The application requires suitable isolation, controlled adhesive pickup, accurate placement, and adherence to product directions.
An adhesive that begins setting before the extension is correctly positioned may be difficult to work with. Conversely, an adhesive that sets more slowly than expected can complicate the application workflow.
The best choice for your salon depends on several practical factors:
- Application speed: How quickly can you isolate and place each extension consistently?
- Experience and technique: Do you prefer a quick attachment or more positioning time?
- Salon conditions: Are temperature and relative humidity within the adhesive’s recommended range?
- Lash design: Are you working with black extensions, brown or coloured extensions, or creative looks?
- Product instructions: Does the adhesive fit your preparation, application, storage and aftercare procedures?
The fastest adhesive is not automatically the best adhesive. The goal is a product that matches your workflow and can be used according to its stated requirements.
2. Compare Professional Lash Glue Drying Speeds
Drying or initial setting time is a useful starting point when comparing eyelash extension adhesives. It is not the same as full curing time, and real-world performance can vary with your salon environment and application method.
ERYI Beauty offers several SG adhesives with different stated drying speeds.
SG 0.3S Lash Glue: For a Very Fast Application Rhythm
SG Eyelash Glue 5ml 0.3S is a black professional eyelash extension adhesive supplied in a 5ml bottle. Its published drying time is 0.3 seconds.
A very fast-setting adhesive may suit experienced technicians who can isolate, pick up adhesive and position an extension promptly and consistently. It offers little margin for repositioning once the bond begins to set.
Choose your adhesive based on your actual working pace rather than assuming a faster number automatically delivers better results.
SG 0.5S Lash Glue: A Fast Black Adhesive
SG Eyelash Glue 5ml 0.5S is another black liquid adhesive for professional use, with a published drying time of 0.5 seconds.
It is an option for lash artists who prefer a fast application rhythm but want to compare a different stated setting speed from the 0.3S formula. Evaluate the product against your technique and the instructions on its label.
SG 1–2S Lash Glue: More Positioning Time
SG Eyelash Glue 5ml 1–2S is a black adhesive supplied in a 5ml bottle, with a published drying time of 1–2 seconds.
Compared with the faster SG options, this stated setting range may suit a more deliberate working pace. It remains a professional-use product and still requires correct lash isolation, application technique and safety precautions.
Quick Comparison of ERYI SG Lash Adhesives
| Product | Colour | Listed drying time | Volume |
|---|---|---|---|
| SG Eyelash Glue 0.3S | Black | 0.3 seconds | 5ml |
| SG Eyelash Glue 0.5S | Black | 0.5 seconds | 5ml |
| SG Eyelash Glue 0.5S Clear | Clear | 0.5 seconds | 5ml |
| SG Eyelash Glue 1–2S | Black | 1–2 seconds | 5ml |
The figures above are product-listed specifications, not guaranteed setting times under every condition. Follow each adhesive’s current packaging and application instructions.
3. How Temperature and Humidity Influence Lash Adhesive
Salon humidity can affect the setting behaviour of many cyanoacrylate-based eyelash extension adhesives. The response varies by formulation, so it is important not to apply one adhesive’s environmental recommendations to every product.
As an example, SG Eyelash Glue 0.5S Clear lists an application temperature of 64.4–79°F (approximately 18–26°C) and relative humidity of 45–60%.
These are the listed conditions for that specific product. Consult the label or product instructions for any other adhesive you use.
To keep your working environment more consistent:
- Use a thermometer and hygrometer at your lash workstation.
- Check room conditions before appointments, especially when the weather or air-conditioning changes.
- Keep application products stored according to their individual instructions.
- If your adhesive behaves differently than expected, review the environment and your technique before making assumptions about the product.
Avoid choosing lash glue solely by speed without considering the conditions in which it will be used.
4. Black vs. Clear Lash Glue
Adhesive colour is another practical consideration when planning a lash set.
Black Lash Adhesive
Black lash glue can blend visually with black lash extensions and a darker lash line. It is a common choice for professional classic and volume applications.
Clear Lash Adhesive
A transparent adhesive may be useful when you do not want a dark bond to be visible, including some brown, coloured or creative eyelash extension designs.
SG Eyelash Glue 5ml 0.5S Clear is a transparent professional adhesive with a stated 0.5-second drying time.
Important: Clear adhesive should not be described as allergy-free or automatically suitable for clients with adhesive sensitivities. Colour alone does not establish ingredient compatibility or safety. Review the product’s ingredients and instructions, and follow appropriate professional precautions.
5. Prepare the Natural Lashes and Your Workstation
Even when you choose an adhesive with the right listed setting speed, your preparation and application process matters.
Clean the Lash Area Appropriately
Makeup residue, oils and debris may interfere with the application process. Prepare natural lashes using suitable cleansing products and the professional procedure recommended for your adhesive system.
ERYI’s SG Eyelash Foam Cleanser 60ml is one option in the Glue/Liquid range.
Consider Whether a Primer Is Appropriate
Some salon routines include a preparation step using a lash primer. SG Glue Primer 12ml is available in ERYI’s collection.
Do not assume every primer is necessary or compatible with every adhesive. Follow the relevant manufacturer’s directions and avoid contact with the eyes or skin unless the product is expressly intended for that use.
Use Controlled Adhesive Pickup and Isolation
Accurate isolation and an appropriate amount of adhesive help maintain an orderly application process. Excess product and inadequate isolation can contribute to lashes sticking together unintentionally.
Follow the Correct Setting and Curing Instructions
An adhesive’s stated initial drying time does not mean all curing processes are complete. Follow the product’s instructions for finishing steps and client aftercare.
SG Super Bonder 15ml is also part of the ERYI range. Check compatibility and directions before adding any finishing product to your routine.
6. Store Professional Lash Glue Correctly
Storage and handling can affect whether an adhesive remains suitable for use. For professional lash products, good routine practices include:
- Keep the bottle tightly closed and upright when not in use, where instructed.
- Avoid excessive heat, moisture and direct sunlight.
- Prevent contamination around the nozzle and bottle opening.
- Check the expiration date and recommended period of use after opening.
- Do not use an adhesive that is expired or appears to have deteriorated.
Always follow the specific instructions printed on the bottle or packaging; different formulas may have different storage recommendations.
7. Professional Safety Considerations
Eyelash extension adhesives are applied close to the eyes and should be handled only by appropriately trained professionals.
- Keep adhesive away from direct contact with the eyes and skin.
- Follow product-specific safety information, ingredient guidance and ventilation instructions.
- Use hygienic tools and correct isolation technique.
- Do not promise that any adhesive is universally non-irritating or suitable for every client.
- Stop the service if significant irritation or a suspected reaction occurs; eye pain, significant swelling or visual symptoms warrant prompt medical evaluation.
Professional training and careful attention to product directions matter more than promotional claims such as “zero irritation” or “guaranteed retention.”
8. Frequently Asked Questions
Is faster lash glue always better?
No. A faster stated drying time may fit a technician with a quick, consistent placement technique, but it can be less forgiving if the extension is not positioned in time. Choose adhesive according to your training, workflow and product instructions.
What is the difference between 0.3S and 0.5S lash glue?
The primary published distinction in ERYI’s SG collection is their listed initial drying time: 0.3 seconds versus 0.5 seconds. Both are black professional adhesives in 5ml bottles. Actual performance depends on working conditions and technique.
Can I use clear lash glue for brown or coloured lashes?
A clear adhesive may be visually suitable for coloured lash designs where a dark bond is not desired. Check the product’s current instructions to decide whether it is appropriate for your professional application.
Is clear eyelash extension glue hypoallergenic?
Not necessarily. Transparent colour is not evidence that an adhesive is hypoallergenic. Any adhesive may present irritation or allergy concerns depending on its ingredients and the person exposed.
Does humidity affect lash glue drying time?
Humidity can influence the setting behaviour of many eyelash adhesives. Follow the temperature and humidity range specified for the particular formula you are using; there is no universal operating range for all products.
When should I replace a bottle of lash adhesive?
Follow the manufacturer’s expiration date, storage instructions and recommended period after opening. Replace products that are expired, improperly stored or show signs of deterioration.
9. Explore ERYI Professional Lash Glues & Liquids
Choosing the right professional lash glue starts with understanding your own working speed, the conditions at your workstation and the type of eyelash extensions you apply.
At ERYI Beauty, you can compare SG black and clear lash adhesives alongside salon preparation, cleansing and finishing products. Read each product’s specifications and instructions before selecting a formula for your professional routine.
Shop Professional Lash Glues & Liquids at ERYI Beauty →
ERYI Beauty — Professional lash essentials for artists.

