Clinically proven to make lashes appear up to 24% longer in just 30 days*. Lash Blast Lash & Brow Serum is vegan and is formulated without parabens, sulfates, phthalates, mineral oil, fragrances or dyes. 83% of women agreed that Lash Blast Lash & Brow Serum protects lashes to help prevent breakage*, and 81% agreed that lashes & brows appear thicker, fuller, & stronger*. Lash Blast Lash & Brow Serum's applicator brush coats lashes & brows from root to tip with a conditioning gel infused with bamboo extract, biotin, peptides, & castor oil. Dermatologist and Ophthalmologist Tested