The get BIG! LASHES v. boost WP mascara by .essence. is highly recommended by Mariana in her video review. She praises its ability to lengthen lashes, noting that results are visible immediately upon application. Mariana also compliments the overall look achieved with this mascara, describing it as cute. The product's key benefits include its lengthening properties and the noticeable results it provides. However, the review does not mention any potential drawbacks or limitations of the mascara. Overall, based on Mariana's positive feedback, the get BIG! LASHES v. boost WP mascara by .essence. appears to be a reliable choice for those seeking longer lashes.