How Men Should Apply Minoxidil for Hair Growth

Key Takeaways:

• Knowing how to apply minoxidil correctly will make it more effective and reduce the risk of side effects.

• Minoxidil should be applied directly to the scalp in areas with hair loss only when hair is dry.

• Don’t go to bed, take a shower, apply other hair products, or wear a hat until minoxidil is dry on your scalp.
  

Millions of men use minoxidil every day, but not everyone knows how to apply minoxidil the right way. Applying too much or too little can impact how well the treatment works. Proper application ensures the active ingredient reaches your hair follicles to stimulate growth.

Minoxidil (Rogaine^®) is an over-the-counter topical medication that slows down hair loss and speeds up hair regrowth. It’s a great option for anybody noticing the early signs of balding, like increased hair shedding or a receding hairline.

But to actually reap the benefits of minoxidil, you need to use it correctly. We’ll explain how to apply minoxidil foam and minoxidil liquid solution to treat hair loss. We’ll also share tips for getting the most out of minoxidil.

Minoxidil comes in two main formulations: liquid minoxidil topical solution and minoxidil foam. We’ll cover what you need to know about minoxidil application in both forms.

Minoxidil Solution Application

Using minoxidil liquid solution is pretty easy. The entire process only takes a few minutes, making it simple to work into your hair care routine.

Here’s how to apply minoxidil liquid solution:

• Make sure your hair is completely dry before use. If you’ve just taken a shower or bath, dry your hair before applying minoxidil solution.

• Fill the dropper provided with your medication with 1 milliliter (mL) of minoxidil. You should see a black line on the dropper indicating the 1-mL mark.

• Using the dropper, apply minoxidil to the areas of your scalp affected by hair loss. (It may help to part your hair in several places so the product can easily come into contact with your scalp.)

• Using your fingers, rub the minoxidil solution gently into your scalp.

• Put the cap back on the bottle, and wash your fingers thoroughly using soap and warm water to remove any remaining minoxidil from your skin.

Minoxidil solution is generally intended for use twice a day. Most people who use minoxidil apply it once in the morning and once in the evening, typically a few hours before going to bed.

Minoxidil solution can take anywhere from two to four hours to dry completely. If it’s not fully dry, minoxidil can stain bed linens, hats, clothes, etc.

Minoxidil Foam Application

If you’re using minoxidil foam, you’ll also apply it twice a day using the same general steps. Typically, you’ll use half a capful of foam for each application (so a total of one capful of foam a day).

Although topical minoxidil application is pretty straightforward, we’ve got tips for getting the most out of either the liquid solution or the foam:

• Allow it to dry. After applying minoxidil, allow the medication to dry completely (about 4 hours) before you wear a hat, use a hair dryer, or wash your hair. This is about the amount of time it takes for 75 percent to get absorbed. Using a hair dryer right after applying minoxidil may make the medication less effective.

• Follow instructions. Don’t exceed the recommended minoxidil dosage for hair loss. Applying minoxidil more often won’t improve your results, but it may increase your risk of side effects.

• Rinse well. Be sure to rinse minoxidil off if it gets on other parts of the body. If it drips onto your forehead or face, for instance, use cool water to wash it away. If minoxidil comes into contact with other parts of your skin, it can cause abnormal hair growth (hypertrichosis).

• Don’t mix products. Avoid using any other hair or skin care products on areas where you just applied minoxidil.

• Be careful — it stains. Unfortunately, minoxidil can stain, so try to prevent it from getting on clothing or bedding. Wait for it to dry before lying on your pillow.

Lastly, if you’re experiencing any concerning side effects — like extreme skin irritation – pause using minoxidil and consult a healthcare practitioner.

If you forget to use minoxidil and remember shortly after the missed dose, try to apply it as soon as you can. If it’s already about time for your next dose, however, skip the dose you missed and use the medication as normal.

Minoxidil works best when you use it consistently (ideally, every day). You should notice some new hair growth after about 4 to 8 months of consistent minoxidil use, so don’t give up if you aren’t seeing improvements after a few weeks.

If you regularly forget to apply minoxidil, here are a couple of suggestions for how to better remember:

• Keep your minoxidil in an obvious, impossible-to-miss location. It’s helpful to store minoxidil in a place where it’ll be right in front of you when you use it — say, on your bedside table, dresser, or near your toothbrush.

• Place a sticky note on your mirror to help you remember.

• More of a digital person? Try setting an alarm on your phone for a few minutes after you wake up. Hit the snooze button a lot? Create a recurring event in your phone’s calendar app.

Rest assured, the longer and more consistently you use minoxidil, the easier it’ll be to remember to apply it. That’s because the more you do it, the more likely it is to become a habit (especially once you start seeing results). 

→ Read: Minoxidil Before and After: Real Results From Hims Customers

Excess heat and moisture may affect the product. So when you’re not using minoxidil, store it in a convenient location away from spots like your radiator or shower.

If you have young children or pets in your home, you don’t want them getting into your minoxidil. Try to store minoxidil (and other medications) somewhere out of their sight and reach.

The ideal temperature to store minoxidil is between 59 and 86 ºF. Storing minoxidil in areas with high humidity and heat can cause it to degrade faster and become less effective.

For the most part, minoxidil is a safe and effective hair growth product. Minoxidil is an FDA-approved medication, meaning it has to meet specific criteria for safety and effectiveness.

That said, all medications have side effects, and minoxidil is no exception. The most common minoxidil side effects include:

• Skin irritation

• Dryness

• Flaking or scaling

• Burning

• Itching

Talk to your healthcare provider if you experience any of these side effects while using this medication.

Minoxidil Temporary Shedding

Another thing to know is that you might experience temporary hair shedding when you first start using minoxidil. So if you notice a little extra hair fall, don’t panic — your hair will grow back soon, as long as you’re using the treatment consistently.

A little hair shedding at first actually means the product is working and is speeding up the process of new hair growth.

→ Learn more: Minoxidil Shedding: What a Doctor and Real Users Want You to Know

If minoxidil isn’t right for you, or if you’d like to pair it with another hair regrowth treatment for maximum effects, you’ve got other options:

• Finasteride. An FDA-approved, prescription hair loss treatment, finasteride can help slow down male pattern baldness (androgenetic alopecia).

• Combining minoxidil and finasteride. A combination of finasteride and minoxidil is effective for some people for treating male pattern hair loss. You can try our topical finasteride & minoxidil spray, or take finasteride pills along with topically applying minoxidil.

• Hair growth supplements. One possible cause of hair loss is nutritional deficiencies. Along with eating a varied, balanced diet, you can use supplements like our biotin gummies to support healthy hair growth.

• Hair care products. Some products help promote hair regrowth, like our thickening shampoo with saw palmetto. A dermatologist or hair stylist can also point you in the right direction on options for your hair type.

Beyond that, stick to gentle hair care techniques if you’re dealing with hair loss. Styling your hair too roughly can cause breakage, which can make hair appear thinner and less healthy.

Whatever has you investigating minoxidil — thinning hair, bald patches, or the realization that your hairline is starting to look like your dad’s — you’re in the right place.

Minoxidil is a science-backed medication supported by decades of comprehensive, large-scale scientific research. Keep this key information in mind when it comes to how to use minoxidil:

• Using minoxidil is a simple process. Follow the instructions outlined above for how to apply minoxidil solution or foam to your scalp. Be consistent with minoxidil application for best results.

• Minoxidil works — but not overnight. It may take a few months before you notice any hair regrowth.

• Everyone’s experience is different. You may notice a difference sooner or later than someone else who starts using minoxidil at the same time.

• Be aware of side effects. While minoxidil is generally safe, it doesn’t agree with everyone. Mild side effects might go away after a few weeks of use, but if the side effects are bothering you, speak with a healthcare professional.

• Minoxidil can be paired with other hair regrowth treatments. You might benefit from using minoxidil alongside finasteride, hair growth supplements, and quality hair care products.

→ Read next: Is Minoxidil Permanent?

See answers to frequently asked questions about how to apply minoxidil.

How often should I apply minoxidil?

For best results, apply minoxidil solution (liquid) or foam twice a day, about 12 hours apart. Consistency is key. Skipping applications can make it less effective.

Can I apply minoxidil to a wet scalp?

No, don’t apply minoxidil to a wet scalp. Minoxidil should only be applied when your hair and scalp are completely dry. Also, wait for minoxidil to dry completely before applying any other hair products.

How long does it take minoxidil to dry?

Usually, minoxidil dries within 2 to 4 hours. That means you shouldn’t apply minoxidil right before bedtime or if you’re planning to wear a hat, shower, or do anything else that may interfere with the medication reaching your hair follicles.

This article is for informational purposes only and does not constitute medical advice. The information contained herein is not a substitute for and should never be relied upon for professional medical advice. Always talk to your doctor about the risks and benefits of any treatment. Learn more about our editorial standards.