Achieve fuller, longer lashes and brows with a specially-formulated serum. Designed to nourish and strengthen hair follicles, these serums promote visible growth in as little as 4-6 weeks. Safe for sensitive skin and eyes, lash and brow serums are dermatologist and ophthalmologist-tested, ensuring a gentle yet effective experience. Easy to apply, we offer products from renowned beauty brands such as Benefit, Clinique and Clarins. Complement your lash and brow serum with mascara, eyebrow gel and eyebrow pencils, all available at John Lewis.