What size derma roller is best for hair growth?

Author: Madeline Cruickshank  |  Last update: Sunday, August 31, 2025

Needles larger than 1.5mm aren't usually necessary, especially for home use. Needles measuring 0.6mm may be the most effective size for treating hair loss [4]. While 0.6mm isn't a common commercial size, 0.5mm derma rollers are widely available.

What is the best size dermaroller for hair growth?

Doctors also recommend derma roller for hair growth which have needles between 0.5-1.5 millimeters. To tackle hair loss, you can use a derma roller 0.5 mm. Derma roller 1.5 mm helps with stimulating hair growth as it can cause punctures that allow hair oil to penetrate through the scalp better.

Is a 0.5 or 1.0 derma roller better for hair?

If your primary goal is to promote significant hair growth and density, the 1.0 mm needle length may be more effective in stimulating the hair follicles and triggering the desired response. The 0.5 mm length may be better suited for those seeking mild scalp stimulation or improved product absorption.

What is the best needle size for a derma roller for hair growth?

Which dermaroller size is best for hair growth? An older study found that a dermaroller with 1.5 mm needles effectively promoted hair growth in combination with triamcinolone acetonide . However, most dermarollers available online have 0.25-0.5 mm needles.

What size roller is best for hair growth?

Shorter needle lengths between 0.25mm and 0.5mm will assist with the absorption of topicals into the scalp tissue. The needles need to be longer to reach the dermis where the hair bulb reside. The best results are seen with derma rollers containing needle lengths of 1.5mm or more.

Best Dermarolling Size for Quickest Hair Growth

What roller promotes hair growth?

Derma rolling, also known as micro-needling, is a minimally invasive treatment that's proven to help reduce the appearance of wrinkles, stretch marks, and acne scars [1]. Using a derma roller for stimulating hair growth has also been shown to be effective in treating certain types of hair loss [2].

What size hair roller is best?

Selecting the Right Size
  • Tight, spiral curls: Opt for smaller rollers (0.5-0.75 inch)
  • Loose, beachy waves: Choose medium to large rollers (1-2 inches)
  • Vintage, glamorous curls: Combine different roller sizes, using larger rollers at the back and smaller rollers at the front.

Can dermaroller regrow hair?

Yes, it does! Many benefits come with micro-needling especially in treating hair loss. Studies have shown that it's an effective treatment for alopecia because it helps stimulate collagen production and can help trigger stem cell production in the hair follicles. Thus, increasing hair regrowth.

Can I apply oil immediately after dermarolling?

Those micro-channels created by the needles act as tiny pathways for the oil to penetrate deeper into your skin, maximizing its benefits. Pro Tip: Wait a few minutes after rolling to let your skin calm down before applying the oil. This can help prevent irritation or stinging.

Should I apply minoxidil after dermarolling?

However, it's crucial to follow the correct timing and procedures to avoid irritation or unwanted side effects. Most experts recommend waiting for at least 12-24 hours after dermarolling before applying minoxidil to allow your skin time to heal and reduce the risk of irritation.

Which brand derma roller is best for hair regrowth?

Sakhiya's Hair Activator is the most advanced Dermaroller on the market, with a number of unique features that make it the best choice for hair growth: 540 chromium needles: The Dermaroller has 540 chromium needles, which are the sharpest and most durable type of needle available.

Can I use a 0.5 derma roller under my eyes?

Most experts I've spoken to advise anything between 0.2 and 0.75 millimeters for use at home. (Benjamin advises staying under 0.5 to avoid damage.) I've only ever used 0.2 or 0.5 since I mainly focus on my lips and underneath my eyes, and those areas are particularly delicate.

How long does it take to see results from a derma roller for hair?

A derma rolling session at home is a more affordable alternative to professional treatments and can be ideal for those in the early stages of hair loss. You can usually expect to see results from derma rolling within 2 to 6 months, depending on your hair count and growth factors.

Is .5 or 1.0 derma roller better for hair?

A 1.0mm derma roller is the best length to assist hair loss. The extra length ensures the microneedles can pass through the remaining hair to reach the scalp below. In cases where there is virtually no hair in the area a 0.5mm roller can be used but these cases rarely achieve good results.

What size needle is best for hair growth?

A size of 0.5mm can enhance the absorption of topical treatments if you are doing some regular hair growth serum treatment. In comparison, 1.0mm to 1.5mm can be used if you intend to stimulate more deep scalp layers, promoting hair growth with the microneedling treatment.

What not to do after derma rolling hair?

Avoid Sun Exposure: After derma rolling, protect your scalp from direct sunlight. Wear a hat or use sunscreen to protect the treated area from the sun, as the skin may be more sensitive to it.

How often should I dermaroll my scalp?

Most patients use the derma roller once a week or twice a week, and it depends on the depth of the microneedling. We typically recommend using a 0.5 mm depth and doing it every night. Please do not apply a lot of pressure and don't make the scalp bleed.

Is microneedling better than Dermarolling for hair growth?

At-home dermarollers tend to have shorter needle lengths, which are less effective for treating hair loss. Your dermatologist also has access to more specialized tools, such as microneedling pens, which can penetrate even deeper than a medical-grade dermaroller.

What size needle for derma roller for hair growth?

Derma rollers come with varying needle size, typically ranging from 0.25 mm to 1.5 mm. For hair growth, 540 short microneedles at 0.5 mm are commonly recommended. The appropriate needle size may vary based on your specific goals, ensuring effective scalp stimulation without causing undue discomfort.

What size derma roller is most effective for hair?

For hair loss treatment, clinical research largely supports using derma rollers between 0.5-1mm. Smaller 0.25-0.3mm needles do not puncture deeply enough to generate follicle-stimulating wound healing. Larger 1.5-2.0mm rollers risk excessive skin injury and should be avoided for at-home use.

What size roller is best for hair?

When looking for the right hair roller size, it's pretty easy to determine which one you'll need. For more tighter curls, small hair rollers are needed, for looser curls or mermaid waves and some lift, medium hair rollers and for extra volume and soft waves, larger hair rollers will be your go-to.

How do I choose roller size?

The longer in length your roller, the more surface area you can paint, with shorter rollers ideal for edges and corners. Choose your roller cover based on how much area you need to paint.

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