Featuring a dual-ended design, the Revolution Pro x Amanda Holden It’s Magic Brow and Lash Serum Duo is formulated to condition your lash and brow hairs. The innovative formula nourishes at the root, promoting visibly fuller lashes and brows. Caffeine and vitamin E infuse the serum to nourish the hairs, alongside SymPeptides to enhance the appearance of length and thickness. With a compact double-ended design, the serum is ideal for on the go.