Flip presents the Vegan Collagen Lash Serum Primer by Pacifica, as reviewed by tara. In her video review, tara mentions using this product as a primer before applying mascara. She appreciates the fact that it is vegan and contains collagen, which is known for its lash-enhancing properties. tara applies mascara over the primer and seems satisfied with the results. Overall, the Vegan Collagen Lash Serum Primer by Pacifica appears to be a beneficial product for those looking to enhance their lashes. However, since the review does not mention any potential drawbacks, it is difficult to assess any possible limitations of the product.