Effective, ingenious Advanced Eye-Fix Primer works as an invisible shield between eyelids and eye color, so shadows, liner and powders stay put, stay fresh and color-true longer. Helps control creasing, streaking and fading. Makeup goes on more easily, blends smoothly. Dermatologist, allergy and clinically tested. Also provides an occlusive barrier to prevent moisture loss. Clinically, dermatologist and ophthalmologist tested.