Eco KGF Keratin Growth Factor Lash & Brow Serum is a clinically proven treatment that is designed to improve the thickness and length of lashes and brows. This concentrated serum, enriched with caffeine and mountain daisy, helps awaken and stimulate hair follicles, resulting in visible results in just 6 weeks. Formulated for the delicate eye area, the serum also features calming chamomile extract for maximum safety.