Lash Professionals Choose GladGirl: Our Mega Pro Hold false eyelash extension glue offers a strong bond with single strand lashes, quick drying time of 3-5 seconds with low fumes | Professional Lash Artist Favorite: Excellent for all skill levels and for your more sensitive clients, it's one of our most popular lash adhesives | Long Hold and Retention: Perfect for classic single strand lashes with an excellent hold, up to 3 weeks retention | Waterproof and Sweatproof: Lash glue stays intact for a long wear time due to its water resistance | Cruelty Free: This eyelash adhesive is formaldehyde-free, paraben-free, latex-free, and gluten-free; GladGirl is proudly PETA approved offering cruelty free products not tested on animals | Salon Professionals Only: This product is for professional use only including lash techs, cosmetologists and estheticians, and should never be used on oneself