Trish McEvoy’s Eye Base Essentials is a shadow primer and upper-eye brightener designed to correct darkness and discoloration of the eyelid, instantly creating a more vibrant, bright-eyed look while locking shadow in place for crease-proof, all-day wear. - Wear alone or as a primer for shadow longevity. - Gluten free. - Not tested on animals. Directions: Apply a generous amount of Eye Base Essentials to the ball of the eye. Using a Trish Laydown Brush blend upward and outward to cover the entire eyelid, including the inner corner of the eye, for maximum brightness. Trish Tip: Get as close to the lash line as possible without touching lashes.