With Hyaluronic Acid, Argan Oil and KGF™ Conditions Lashes & Brows Why Choose Lush Lash and Brow Serum? Fragrance Free Gluten Free Paraben Free Dye Free Cruelty Free Lush Lash and Brow Serum can help protect and support the beauty of your lashes and brows with a formula of nourishing oils, proteins and vitamins which work to nourish follicles and condition hair. The Hyaluronic Acid in this