Minoxidil
Topical vasodilator that stimulates hair growth in androgenetic alopecia. Works by extending the anagen phase of the hair follicle.
Evidence by route
Topical application
AProven efficacy. Two or more independent RCTs with instrumental endpoints.
One of two FDA-approved drugs for alopecia (the other is finasteride). Clinical data show hair density gains within 3–6 months.
Tolerability and safety
Irritation potential
MediumAllergen risk
LowPregnancy
CautionFrequently asked questions
Is Minoxidil safe during pregnancy?
Minoxidil should be used with caution during pregnancy. Consulting a dermatologist or OB-GYN is advisable.
Can Minoxidil irritate the skin?
Minoxidil has moderate irritation potential. Sensitive skin may show a transient reaction that usually settles with adaptation.