LASH BOOST 0.17FLOZ. Benefits: It all starts with science. Proprietary nightly serum helps you maintain lash moisture, enhance lash durability and protect against breakage.. Use this serum if you want to enhance the appearance of lashes that appear short or thin.. Dermatologist developed.. Features: It's popular because it performs. Chosen 9.7 million times!. Powered by Rodan + Fields propriety Lash Boost Technology.. 1 Lash Boost is sold every 30 seconds! ***. Rodan + Fields is the #1 Female Dermatologist-Founded Skin Care Brand in the U.S.****. In 8-week US clinical and consumer testing, more than 85% of users in test saw the appearance of fuller and longer lashes. Over time, more than 60% of users experienced darker lashes.. Research Results: Clinically tested.. *Euromonitor Intl Ltd. 2024. **Based on an 8-week US clinical and consumer study. ***Based on average sales data over last 5 years.. ****Euromonitor International Ltd; Based on custom research conducted Nov-Dec 2024, Retail Value Sales for 2023, Definitions per Beauty & Personal Care 2024ed..