3 month supply. Safe to use with lash extensions! We reccommend in order to keep your natural lashes healthy. 
This award-winning eyelash serum is a proprietary blend featuring a scientifically-advanced technology. Peptides, lipids, biotin, and green tea extract, rich in Panthenol, condition and strengthen lashes while defending from environmental damage, as well as damage caused by lash styling products that can cause breakage and brittleness.
In as little as 6 weeks of daily use:
Improved Lash Appearance
Healthier-Looking Lashes
Stronger Lashes