1- Try to use less glue, or another brand of glue.
2- Check the lenth of the stip that you prepare,do you cut it to a suitable lenth?.
3- Do you have extra ntural lashes growing higher than the others in your natural lashe line? If so, use a tweezers to remove them.
4- Change your method of using the liner, use liquid(Lancome), or gel liner(Bobbi Brown-MAC), or soft pencil(Too Faced-Kanebo Sensai).The eyeshadow(for me) is so transparent,if you are blond and using brown lashes,so choos brown eyeliner.
I wish I helped
Happy day,and god bless you