The Vegan Collagen Lash Serum Primer by Pacifica is highly recommended by nadia in their video review. According to nadia, this product is perfect for those looking to enhance their lashes, even if they have very little to start with. The primer is easy to apply, starting from the root and working upwards. After waiting for one minute, nadia suggests applying mascara for full and beautiful lashes. The primer is said to provide a noticeable difference, making lashes appear longer and fuller. Overall, nadia describes the Vegan Collagen Lash Serum Primer as amazing and a must-have product.