Applied to the base of the lashes, Latisse keeps hairs in their growth phase, producing longer, darker and thicker eyelashes. The effects of Latisse are not permanent, so you have to keep using it. The eyelashes will return to normal after the patient stops using Latisse.
Allergan accidentally discovered Latisse during a clinical trial for a known glaucoma treatment called Lumigan. When patients reported that Lumigan had a highly desired side-effect - significantly longer eyelashes - Allergan knew they were on to something good.
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