We manufacture the cyanoacrylate adhesive for cosmetic like eyelash extension glue. It has transparent & black col. Pls kindly find the details below for your ref. 1.Nontoxic, environmental standard. ROHS (six types of heavy -melt environmental certificate) & RECH(the pass of EU) 2.ISO 14001 stantard product and SGS quality certificate. EU environmental standard 3.Non strong smell,fragrance odor or odorless,and no harmful to your body and skin. 4.We have our own packing design and we can make it according to request of customer also. 5.Can use for the eyelash extension, it has the strong bonding and high stability. The eyelashes extension can keep 6 months or longer. 6.It is multi-function,general usage and waterproof. One style 6# can use for hair extension too. 7.The shelf life is 1 year. Our enterprise will guarantee the quality standard. If there are any quality problems within the shelf life, we will refund the payment in 7 days.And we also have the strong after- service to guarantee the quality standard.