How Often Should I Use a 1.5 mm Derma Roller on My Scalp? Optimizing Frequency for Various Roller Sizes

WrittenbyLuat Duong
Last updated

Microneedling with a derma roller has emerged as a popular technique for promoting hair growth and improving scalp health. These handheld devices, equipped with tiny needles, create micro-injuries on the scalp, stimulating the body's natural healing response and potentially enhancing blood flow and hair follicle activity. While smaller needle sizes like 0.5 mm and 1.0 mm are commonly used, some individuals opt for a more aggressive approach with a 1.5 mm derma roller. However, it's crucial to understand the appropriate frequency of use to maximize results while minimizing potential risks.

How often should I use a 1.5 mm derma roller on the scalp?

For most individuals using a 1.5 mm derma roller on the scalp for hair growth purposes, it is generally recommended to perform the microneedling treatment once every 4 to 6 weeks. This extended time frame allows for adequate recovery and healing of the deeper micro-injuries created by the longer needles, minimizing the risk of excessive trauma, scarring, or potential complications.

Here's a more detailed explanation of the recommended frequency for using a 1.5 mm derma roller on the scalp:

Once Every 4 to 6 Weeks

The 1.5 mm needle length is considered relatively aggressive for microneedling, penetrating deeper into the scalp and creating more substantial micro-injuries. As a result, it's essential to allow sufficient time for the scalp to heal and recover between treatments. Most experts recommend spacing out sessions by 4 to 6 weeks to ensure the scalp has fully healed and to reduce the risk of over-exfoliation, irritation, or potential scarring.

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Factors to Consider When Determining Frequency

Scalp Sensitivity

Individuals with highly sensitive scalps or those prone to excessive inflammation may need to extend the time between treatments or consider a shorter needle length. The deeper penetration of the 1.5 mm needles can cause more discomfort and potential side effects in sensitive individuals.

Hair Type and Density

Those with thicker or coarser hair may benefit from more frequent treatments, as the longer needles need to penetrate through the hair strands to reach the scalp effectively. Those with finer or thinner hair may find less frequent sessions more suitable.

Healing Time

It's crucial to allow sufficient time for the micro-injuries created by the 1.5 mm derma roller to heal completely before the next treatment. Typically, a 4-6 week window is recommended to ensure proper healing and minimize the risk of complications. Monitor your scalp for any signs of prolonged redness, swelling, or irritation, and adjust the frequency accordingly.

Additional Considerations

Proper Technique

When using a 1.5 mm derma roller, it's essential to follow proper microneedling techniques to ensure safety and effectiveness. This includes sterilizing the device before and after use, applying gentle pressure, and avoiding excessive trauma to the scalp.

Combining with Topical Treatments

Many experts suggest combining the use of a derma roller with topical hair growth serums or treatments containing ingredients like minoxidil or other proven hair growth compounds. The micro-channels created by the needles can help enhance the absorption and effectiveness of these products.

Consistency and Patience

Hair growth is a gradual process, and results may not be immediate when using a 1.5 mm derma roller. It's essential to be patient and consistent with your routine, following the recommended frequency and allowing adequate recovery time between sessions for optimal outcomes.

Professional Guidance

If you're new to microneedling or have specific concerns about using a 1.5 mm derma roller, it's advisable to consult with a dermatologist or trichologist. They can provide personalized guidance, assess your scalp condition, and ensure the proper use of the device for your individual needs.

While the 1.5 mm derma roller can be effective for stimulating hair growth, it's crucial to exercise caution and follow the recommended frequency to minimize potential risks and allow for proper healing. By adhering to the guidelines and listening to your body, you can maximize the benefits of this microneedling technique while ensuring the safety and health of your scalp.

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A hand-held microneedling tool intended to stimulate the scalp and encourage fuller hair

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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.