Hi Julandi,
Always buy a good brand when it comes to make-up. Don’t go for "cheap" un-branded products as these items are usually not approved and no one knows what goes in them! That applies to lashes as well. Any well known brand will come with a good adhesive. Don’t be afraid of the glue! It’s easy to apply, allow it to dry slightly before placing it on the lash line so that it bonds well.