i had the same problem, i have full lips and couldn't get a straight line at all. stick with the regular lipliners.
About reviewer (67 reviews)
Age19-24
SkinVery Dry
HairBlond
EyesBlue
About reviewer (67 reviews)
Age19-24
SkinVery Dry
HairBlond
EyesBlue
About reviewer (4642 reviews)
Age25-29
SkinAcne-prone, Olive, Not Sure
HairBrunette, Other, Other
EyesBrown