Can You Use Minoxidil Once A Day?

Medically reviewedby Dr. Ahmad Chaudhry M.B.B.S.
WrittenbyLuat Duong
Last updated

Can you use minoxidil once a day and still see results?

Minoxidil, a popular treatment for hair loss, typically requires consistent application to be effective.

In this article, we'll explore whether a once-a-day regimen can be just as effective, what experts say, and how to make the most out of your treatment.

What is Minoxidil?

Minoxidil is a US FDA-approved topical medication widely used to treat hair loss by promoting hair regrowth and improving scalp circulation. It works by converting hair follicles from the telogen (falling) phase to the anagen (active growth) phase, helping to stimulate new hair growth.

Minoxidil is available in various strengths, including 2%, 5%, and 10%. Typically, women start with a 2% solution, while men may require higher concentrations based on their scalp needs.

For enhanced results, minoxidil is often combined with other treatments like Finasteride, mesotherapy, derma roller, or PRP therapy.

While effective, it's important to use minoxidil under medical supervision, as it may not work in balding areas and can cause side effects, especially if used without a prescription. 

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    Can you use Minoxidil once a day?

    Yes, women can use 2% Minoxidil once a day to minimize side effects like excessive hair growth, while men are recommended to use 5% Minoxidil twice a day for best results.

    Does Minoxidil work if used once a day?

    Applying minoxidil once a day is generally effective since it stays active on the scalp for about 20-22 hours. However, using it twice daily is recommended for better results, as it enhances absorption and maximizes hair growth potential.

    Can men use Minoxidil once a day?

    Yes, it is safe for men to use Minoxidil once a day, but the results will be slower compared to using it twice a day. Most studies on Minoxidil's effectiveness focus on twice-daily applications. 

    A specific study noted that men who continued using Minoxidil twice daily maintained better hair growth than those who reduced their application to once daily after a year. 

    Men considering reducing their application should be aware that they might see more hair loss compared to maintaining a twice-daily regimen.

    Can women use Minoxidil twice a day?

    While women are generally advised to use Minoxidil once a day, those with severe hair loss may benefit from twice-daily applications. However, increasing the application frequency can also increase the risk of side effects like hypertrichosis (unwanted facial and body hair). 

    One study showed that using 5% Minoxidil once daily was as effective as using 2% Minoxidil twice daily for women with female pattern baldness, potentially reducing side effects such as scalp itchiness and dandruff. 

    Women considering more frequent use should consult with a specialist in female hair loss to weigh the benefits against potential side effects carefully.

    How to use Minoxidil?

    • Ensure your hair is completely dry before using it
    • Apply only the prescribed dosage only to the affected area. Using more than necessary will increase the chances of it being absorbed into the body. This may have negative effects.
    • Part the hair into smaller sections to expose the scalp
    • Apply the foam or solution onto the hair and spread it with your fingers. Be certain not to get it on other parts of the body
    • Let the treatment sit for 4 hours before washing it off

    How long should you keep minoxidil for?

    Minoxidil should be left on the scalp for at least 4 hours before washing off to ensure proper absorption. For visible results, consistent use for at least six months is recommended, with regular doctor consultations to adjust the dosage as needed.

    Can you use Minoxidil once a day with Finasteride?

    You can use Minoxidil once a day with Finasteride, and combining these treatments can still provide effective hair growth. Some solutions combine both Minoxidil and Finasteride, requiring only once-daily application, but a prescription is needed for formulas containing topical Finasteride.

    Using Minoxidil alongside Finasteride, whether as a combined solution or separate treatments, can enhance hair growth results and maintain sustained progress.

    Studies have confirmed the safety and effectiveness of using oral Finasteride with topical Minoxidil, especially for treating male pattern baldness. Always follow your doctor’s prescription and recommendations for the best results.

    What can you use in place of Minoxidil?

    While persisting with your treatment is a good idea, it's also wise to know your options - in case you don't see results with minoxidil.

    Minoxidil has its merits - but also demerits:

    • Minoxidil is effective in hair growth, but it can cause severe side effects
    • Minoxidil is FDA-approved, but you will lose more hair before you see results

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    Niels mature hairline before

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    Niels mature hairline after treatment picture

    After our treatment, Niels experienced consistent hair growth from the same scalp that has been receding for years.

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    Bottom line

    In conclusion, using Minoxidil once a day can still deliver results, but twice-daily application is generally more effective for optimal hair growth.

    Combining it with Finasteride or other treatments may enhance results further.

    Always consult with a healthcare professional to determine the best regimen for your specific needs.

    References:

    1. https://www.sciencedirect.com/science/article/abs/pii/S0190962287700899
    2. https://www.frontiersin.org/journals/medicine/articles/10.3389/fmed.2022.905140/full
    3. https://pubmed.ncbi.nlm.nih.gov/21700360/
    4. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4738488/
    5. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7649170/
        Luat Duong

        Luat Duong is a Copenhagen-based writer and content strategist specializing in hair loss and health. His work has been featured in MyHealthGuide, The Right Hairstyles, and Woman's Era. He is a graduate of Vaasa University. You can connect with him on LinkedIn.