100% Customer Satisfaction: NXJ INFILILA strives to bring you the highest quality lash extension glue. We have a 24 hours customer service and a one-year warranty. If you have any questions, please click "seller contact" button in your account to email us, we will fix your problem immediately after receiving your email. Customers' satisfaction is our greatest pursuit!. Safe & High-quality Formula: NXJ INFILILA eyelash glue is made of safe and high quality materials, free of formaldehyde and latex, do not harm the skin. This product meets the standards ISO 9001 and ISO 14001. Super Strong: NXJ INFILILA Eyelash extensions will last for 7-8 weeks, this is amazing, surpassing most eyelash extensions on the market, and our packaging is also nearly air-tight, giving this eyelash glue maximum protection. This lash extension glue is the best choice for advanced lash extension artists. 0.5 Second Fast Dry Time: It only takes 0.5s, dries in an instant, saves you a lot of time. You can provide more efficient service to your customers. It can also work normally in high humidity conditions, which is great!. Professional Use Only: NXJ INFILILA eyelash extension glue is only for salons or professional lash artists. Please never use it for self-application or with strip lashes! If you are not a professional eyelash artist, please do not purchase.