Main uses in hair loss: Genetically thin eyelashes and sometimes alopecia areata

Other names: Latisse (brand name)


What is bimatoprost?

  • This is a topical product used to stimulate eyelash growth.  It was originally designed to treat glaucoma (elevated pressures in the eye) but was found to help promote longer eyelashes in healthy women.  It was subsequently found to have some role in patients with the hair loss condition alopecia areata.
  • CONSULT an eye doctor if you have had eye surgery before or if you have eye problems in the past. Do not use bimatoprost if you have eye inflammation of any kind (uveitis).
  • Don’t use bimatoprost if pregnant or breast feeding as it has not been studied.

How is bimatoprost applied?

Be sure to speak to your health care practitioner about the proper application of bimatoprost. The following are some general principles on applying bimatoprost

  • Only apply at the base of the upper eyelashes. DO NOT apply to the lower eyelid. DO NOT APPLY DROPS INTO THE EYES
  • Apply nightly at the base of the upper eyelid margin
  • Blot any excess solution
  • Dispose of the applicator after a single use


When is eyelash hair growth notice?

Hair growth may be noted at 4 weeks and maximizes at 16 weeks (4 months)


What are the side effects of bimatoprost?

Be sure to speak to your physician about all possible side effects. The following is a partial list of side effects. Other side effects may also occur. 

1. Eye redness and itchiness are among the most common symptoms

2. This medication has been associated with brown pigmentation of the colored part of the eye (iris) which may be PERMANENT. It may not be noticed for months to years.  This may be more common when the medicine was use as eyedrops rather than simply put on the eyelid skin but it is not known how common pigmentation changes are.

3. Eyelid skin darkening may occur which may or may not be reversible

4. Hair growth may occur in other areas that bimatoprost touches like the eyelids or face

5. Itchy eyes (4% of users) and red eyes (conjunctival hyperemia) may occur

6. Small risk of inflammation inside the eye has been reported in those who used drops as eyedrops for glaucoma

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