Latisse is manufactured and sold in two different volume, same sized bottles:
See more growth for less money per day and per ml with the 5ml Latisse. For beginners, two 5ml Latisse bottles allows you to reach your full natural lash potential (typically at or before 16 weeks, though results can begin as early as around 6 weeks). Continual use of Latisse is required to maintain longer, fuller, darker lashes.
On August 1, 2012, Allergan introduced in the USA the larger 5ml Latisse bottle vs. the original 3ml Latisse bottle.
The Allergan manufactured 5ml Latisse white-bottle shape mirrors that of the 3ml bottle; though the 5ml bottle has more solution, therefore it weighs more. (It’s like the bag of chips at the grocery store, same looking bag, just 67% more chips inside and by weight; plus 5ml lasts 10 weeks vs. 3ml’s 4 weeks.)