Exactly how does rogaine (minoxidil) work to cause hair growth?

Two ways. Minoxidil makes hair follicles wider so your hair is thicker. It also increases the growth phase of your hair so that you grow longer hair and more strands of hair. Unfortunately, this isn't a permanent one time only treatment. You need to continue using Minoxidil to maintain your hair growth.

Related Questions

How does rogaine (minoxidil) work to cause hair growth?

No one knows. Rogaine (generic name: minoxidil) was first used as an oral drug for high blood pressure. One of it's side effects was that it also caused increased growth of fine body hairs, or in some cases, significant hair growth. The company made it a topical solution which stimulated hair growth and marketed it as rogaine. The exact mechanism of action for hair growth is unknown. Read more...
According to them. "the exact mechanism of action of rogaine (minoxidil) is uncertain. However, researchers believe that rogaine (minoxidil) works in part by partially enlarging the hair follicles and reversing the miniaturization process. By enlarging miniaturized follicles, the growth phase of the hair cycle is prolonged, allowing the hair to become longer and thicker looking and with more follicles in the growth phase at the same time.". Read more...
Funny story. Rogaine (minoxidil) was originally developed as a blood pressure medicine. Ineffective for blood pressure, it did cause excessive hair growth as a side effect. That lead to a whole new life for this failed blood pressure medicine. It is believed that rogaine (minoxidil) works by shortening the follicle telogen, stimulating hair growth. Another theory is that it dilates the follicle blood capillaries causing hair growth. Read more...
Increases blood flow. Minoxidil, the active agent in minoxidil, causes vasodilation of the capillaries to increase blood flow to the skin where it is applied. Read more...

How does rogaine (minoxidil) work on hair growth?

Unknown. The most current thinking is that rogaine (minoxidil) directly stimulates the hair follicle to produce hair. It seems to turn on the on-off signal. Read more...

Will rogaine (minoxidil) for men cause excessive facial hair growth on women?

No. Rogaine (minoxidil) only acts directly where it is applied. Men put it on their scalp in the front receding hairline area of in the back circle of hair loss. Women get more of a female pattern baldness when is overall equal hair loss from the entire scalp. You may use rogaine (minoxidil) for this, but be sure to wash your hands so you don't transfer it to areas where you don't want hair growth to be encouraged! Read more...

I don't like how ROGAINE (minoxidil) has to be used forever to maintain new hair growth. BIOTIN really made my thinning hair grow, after yrs not growing. It works?

Hair grows in cycles. Hair grows in a cycle. There is nothing you can apply now that will maintain efficacy several cycles from now. I am a fan of biotin, and always use it as an adjunct to treatment for thinning hair. I typically recommend a dose of 3000 mcg per day to see benefit in hair growth. If you don't want to use minoxidil, I have developed a product called ReTress that also helps. Find it at sephora.com. Read more...

Will applying minoxidil on scalp cause excessive unwanted hair growth anywhere else even if it was just applied on scalp?

It can potentially. Most of the time it's peach fuzz on cheeks & temples, even if Minoxidil is not applied there. Minoxidil was discovered for hair loss is that patients that were taking Minoxidil pills for high blood pressure started growing hair, not only on the scalp but other places. However, excessive hair growth does not happen to everyone and when you stop minoxidil, it usually goes away after a few months. Read more...
Yes. It is very common, especially for women, to get extra hair growth in other areas besides only the scalp. If a woman is using it and gets facial hair, i tell her that "this is great!" it means that the Minoxidil is working. Now we just have to decrease it so we keep the growth to the scalp only. Read more...

I use topical tretinoin gel with minoxidil for hair growth. But there are accounts on the net claiming it causes hairloss. Please explain the truth.

Not really. A comparative study published in the american journal of dermatology in 2007 showed that: the efficacy and safety of combined 5% Minoxidil and 0.01% tretinoin once-daily therapy appear to be equivalent to those of conventional 5% Minoxidil twice-daily therapy for the treatment of androgenic alopecia. In other words, tretinoin does not appear to improve results of Minoxidil alone. Read more...

Do you have to be a certain age to use rogaine (minoxidil) for hair growth?

Rogaine (minoxidil) Safety. Safety and efficacy of rogaine (minoxidil) have not been established for pediatric patients up to 18 years of age. Use in infects is not recommended. Read more...