Eyelash glue can damage your eyes. If the glue gets in contact with the eyes, it can scratch the cornea and cause potential scarring. Vapors from certain glues can also cause burning and itchy eyes. Allergic reactions can occur in or around the eyes.
Eyelash extensions are applied with an adhesive that is normally made of cyanoacrylate. Cyanoacrylate-based adhesives release formaldehyde as a by-product of the curing process. While it's fairly safe for the eyes to come into contact with small amounts of eyelash extension glue, precautions should always be taken to prevent the glue from entering the eyes. If you feel burning when you apply your eyelash extensions, you should talk to your eyelash artist about it.
The most common way for this to happen is if the pads used to apply eyelash extensions are moved or rubbed against the eyes. So why do people get blood injected into their eyes because of eyelash extensions? How to treat bloodshot eyes after eyelash extensions? The authors present a case in which cyanoacrylate glue causes a thermal burn on the eyelid and explain how this type of burn should be treated. In that case, it's wise to remove the eyelash extensions, as that can stop what caused the reddening of the eyes in the first place. If you are my client, I will proceed to clean the eyes with a saline solution instead of the eyelash base before applying the eyelash extensions to combat the irritation of hypersensitive clients.
Some people think that it's not normal for your eyes to burn after eyelash extensions, and that you should see an optometrist if this happens. Eyes that are red due to sensitivity usually go away in 2 or 3 days with eye drops, while an allergic reaction would require removing the eyelash extensions. Bloodshot eyes after eyelash extensions are usually due to sensitivity to adhesive formaldehyde vapors or an allergic reaction. The main differences in this case are chemical burns, contact dermatitis, allergic reaction to cyanoacrylate glue, and thermal burn injury.
If your bloodshot eyes appeared a few days after you put on your eyelash extensions, it could be a sign of improper maintenance. The risk factors for thermal burns associated with cyanoacrylate glue are the large volume of glue used, the low viscosity of the glue and the presence of cotton. I've already commented at length that chemical burns and allergic reactions are two common causes of eye redness after eyelash extensions. This can happen if you're not careful when applying the glue or if you use poor quality glue.
I also believe that customers should be aware of the risk of chemical burns before they put on eyelash extensions so that they can make an informed decision.