The Vegan Collagen Lash Serum Primer by Pacifica is a tinted white lash primer that Trinh highly recommends. In her video review, she explains that the primer is packed with vitamin B and vitamin E, and it also contains vegan wax to nourish and prep the lashes before applying mascara. Trinh demonstrates how the primer makes her lashes appear fuller and longer. She has been using it for a month and is loving the results. Overall, the Vegan Collagen Lash Serum Primer by Pacifica is a beneficial product that enhances the appearance of lashes, providing nourishment and creating a fuller look. No potential drawbacks were mentioned in the review.