Achieve longer, fuller, healthier-looking lashes and brows with Rodan + Fields Lash Boost — one of the most talked-about lash conditioning serums in the beauty industry. This lightweight, fast-absorbing eyelash enhancing serum is formulated to visibly improve the appearance of lashes and brows with consistent nightly use, making it a must-have for anyone seeking longer lashes, fuller brows, and a healthier lash line. Loved for its easy nighttime application and precision applicator, this best-selling lash serum delivers a salon-quality lash conditioning treatment from the comfort of home — no extensions, falsies, or lash lift required. Key Benefits ✔ Helps lashes appear longer, fuller, thicker, and healthier ✔ Conditions and nourishes both lashes and eyebrows ✔ Lightweight, non-greasy, fast-absorbing formula ✔ Simple nightly application — fits effortlessly into any beauty routine ✔ Precision brush applicator for clean, mess-free use ✔ Suitable for daily, long-term use ✔ Compact, travel-friendly 0.17oz / 5ml size ✔ Popular alternative to lash extensions, lash serums, and growth treatments