Enjoy longer, fuller, and revitalized lashes in just four weeks with Rimmel Wonder’Serum – a salon-inspired and clinically tested conditioning lash and brow serum. The lash-boosting formula is infused with a nutrient-rich complex of vitamins, proteins, and peptides to revitalize and stimulate natural, healthy lash growth. Featuring bamboo extract, biotin, and castor oil, this eyelash growth serum also gives strength to lashes whilst protecting against breakage and fall-out. The super-slim brush helps achieve a precise, mess-free application. To create dramatic eye looks, pair with any Rimmel Wonder Mascara and prepare for a wow effect.