The wait is over! Introducing Rodan + Fields LASH BOOST for fuller-looking, longer-looking and darker-looking eyelashes! So how exactly does Lash Boost work? 1. Panthanol and Sodium Hyaluronate attract MOISTURE to the lash, promoting flexibility and resilience 2. Biotin and Keratin infuse protein to help PROTECT against future damage 3. Peptides provide NUTRITION to the lashes, enhancing durability and supporting a more voluminous appearance.