Any dermatological condition of the scalp other than androgenic alopecia (males) or female pattern hair loss (females)

Use of bimatoprost or other prostaglandin analogs within 3 months

Prior use of scalp hair growth treatment (eg, finasteride, minoxidil) within 6 months

Any prior hair growth procedures (eg, hair transplant or laser)

Blood donation or equivalent blood loss within 90 days

History of alcohol or drug addiction

Safety and Pharmacokinetics Study of New Formulation of Bimatoprost in Patients With Alopecia