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How to apply or use minoxidil on hair?

25 January 2022

Hair treatments

How to apply Minoxidil to the hair | Dr de Freitas

One of the doubts that our patients have when the Doctor prescribes the treatment is how to put the minoxidil in the hair.

Minoxidil is a vasodilator treatment, this treatment is used to stop hair loss, the patient can administer it orally or topically applied to the scalp to stimulate hair growth. 

It is usually indicated for cases of androgenic alopecia.

How is minoxidil applied?

The correct application of Minoxidil helps to obtain the benefits and results that this treatment offers. 

As mentioned above, there are two formats, one for oral and one for topical application, and we want our patients to be able to apply it correctly.

Therefore, we have created a step by step guide on how the patient should apply or use minoxidil foam on the hair. 

Minoxidil is currently marketed in concentrations of 2%, 3%, 4% and 5% for the treatment of alopecia.

Application or use of minoxidil (foam) on the hair

During treatment with minoxidil we recommend that you carefully follow the instructions given by the pharmacist and the trichologist. 

Most patients prefer the application of minoxidil at night, because of its ease and comfort.

During the night it is left to act, when the day begins the patient can wash his hair and start his activities naturally.

The hair treatment with Minoxidil foam is the format preferred by many, its application is as follows:

  • For the application of minoxidil it is advisable to have dry and clean hair. 
  • We put minoxidil foam in the palm of the hand the size of a walnut for each area of the scalp that we are going to massage.


(the areas are: frontal line, receding hairline and crown).

  • Then, spread the foam massaging in circles until the scalp absorbs the topical.
  • Repeat the same procedure with each zone until all of them are completed. Remember that, to facilitate absorption, it is advisable to gently massage the scalp in each area to be treated.
  • Once finished, it is very important to wash your hands with soap, cleaning any residue left on your hand.

Important notes: 

  • Avoid contact of minoxidil in the eyes, rinse with plenty of water immediately if it happens.
  • It should be applied once or twice a day, depending on how advanced the alopecia is and as indicated by the trichologist.
  • Remember that it should be applied directly on the scalp with dry hair. 
  • It is very important to know that once you start using it, you have to keep it for life. If you stop taking it, hair loss will occur again.

how to use minoxidil foam on the hair

Minoxidil hair treatment clarifications

  • In order to obtain good results, use must be continuous to have noticeable effects from the 4th-6th month. 

After starting treatment, a temporary hair loss called shedding effect produced by minoxidil may be observed.

During the beginning of the treatment there is an acceleration of the loss of weak and miniaturized hair to allow the passage of a new strong and healthy hair. 

This phenomenon means a positive effect indicative that the current medication has a favorable effect on the organism.

  • Minoxidil is usually taken with other treatments to stimulate and promote hair growth, these treatments can be finasteride, dutasteride and others. 

Thanks to the combination of these treatments the result will be more effective and beneficial.

  • The drug should not be used in women who are pregnant or breastfeeding, and should be avoided or used with caution in hypotensive patients (low blood pressure) or with severe heart problems.
  • The effect of minoxidil is not immediate. In the first few months, there may even be an increase in hair loss, and this is normal. 

It is important to be aware of this so as not to abandon the treatment because you think it is not working.

Recommendations for the use of Minoxidil on the hair

Use the product exactly as directed. Do not use more or less than the indicated dose prescribed. 

  • Keep in mind that excess of the recommended dosage does not produce an increase in hair growth or make the product work faster and may cause greater side effects.
  • Comply with the follow-up and the guidelines indicated by the doctor. 

Do not share the treatment with other patients who have not been evaluated and prescribed by a specialist.
You have at your disposal the medical team offered by Clínica de Freitas to solve all your doubts, do not hesitate to contact us.