What is a 42 pin for microneedling used for?

Author: Ms. Yasmine Pfannerstill III  |  Last update: Tuesday, November 4, 2025

The 42 Pin cartridge is unique to the Dr. Pen A6S Microneedling Pen and is great for acne scarring. The needles are made of high-quality stainless steel; each cartridge comes in a sterile pack. Cartridges are designed for single use only.

What is the best number of pins for microneedling?

As a general rule, nano pins are best for increasing product absorption, 11-16 pins are best for targeted applications and 36-42 pins are best for larger and more sensitive areas (such as your neck, upper/inner thighs and underarm).

What is the best size needle for microneedling?

In published scientific studies, the optimal needle length for enhanced penetration has been proven to be 0.5 mm.

Which microneedling pen goes the deepest?

You'll find the A11 microneedling pen most effective for deep scars and stretch marks, while the A9 excels in versatility, addressing various skin issues like acne scars and improving skin texture.

What is 12 pin microneedling?

The 12-pin Microneedle Cartridge is specially designed to be effective in reducing the appearance of texture from acne scarring. The 12-pin Microneedle Cartridge creates microscopic punctures in the skin to stimulate collagen production and help reduce acne scarring concerns.

Which microneedling cartridge should you be using? | How to microneedle safely with face mapping

What is 42 pin for microneedling used for?

The 42 Pin cartridge is unique to the Dr. Pen A6S Microneedling Pen and is great for acne scarring. The needles are made of high-quality stainless steel; each cartridge comes in a sterile pack.

What is the difference between 12 pin and 36 pin?

The 12 pin is recommended for the face, while the 36 pin is more suitable for body. The nano cartridge can be used regularly for improved serum absorption (scroll down to learn more about nano-needling).

What happens if you microneedle too deep?

Improper Technique: Applying excessive pressure or using incorrect needle depth can lead to skin trauma, scarring, and permanent damage. Infection Risks: Poor hygiene practices, unsterile equipment, or microneedling over active lesions increase the chances of bacterial, viral, or fungal infections.

Should I use 12 or 36 needles for microneedling scalp?

For microneedling on the scalp, it is advised to use a cartridge with more needles: the 24-pin or the 36-pin cartridge. This is to suit the skin of the scalp. For the needle length, it should ideally be between 0.5mm to 1.5mm for scalp treatment.

What depth of microneedling is best?

For treating acne and other scars as a routine, a needle length of 1.5–2 mm is usually used. When microneedling is used as a procedure to treat ageing skin and wrinkles, the needle length of 0.5 mm or 1.0 mm is usually recommended.

Can I microneedle my lips?

In lip microneedling, hyaluronic acid is applied to the lips and is followed by microneedling, supposedly to help HA penetrate the dermal layer. In reality, because of the thinness of lip tissue, micro-wounds must be kept shallow, too shallow to elicit collagen formation or deliver HA to deep lip tissue.

How do I know what needle size I need?

90/14 is typically regarded as a medium-weight needle, so you can start there for reference. If you are sewing with something lighter, like sheer cotton, you'll want a smaller needle, like an 80/12 or 75/11. And if you are sewing with something heavier, like denim, you'll want a larger needle like a 100/16 or 110/18.

Can I microneedle my under eyes?

Overall, microneedling under eyes is a safe and effective treatment for addressing various skin concerns and can help improve the overall appearance of the eye area.

Can you overdo micro needling?

Even though microneedling benefits the skin, overdoing it can cause serious risks, including skin irritation, redness, and inflammation, leading to discomfort. Overdoing treatments or not allowing ample time between sessions can lead to scarring and even hyperpigmentation.

What is the best rpm for microneedling?

Microneedle pen speed.

The pen you chose should have a speed of at least 14,000RPM, ideally 18,000RPM. This an important parameter as it determines the speed at which the needles will move up and down to penetrate the skin. The faster the RPMs the more punctures the pen will make as it passes over the skin.

Is it better to microneedle in the morning or at night?

Myth: sun is the enemy of microneedling!

This is why we'd never recommend microneedling during the day. To keep your skin happy and healthy, always microneedle in the evening – this means your skin has the whole night to restore itself, and you can wake up to sensational skin.

How hard do you press when microneedling?

Use a light, even pressure. If you have some loose skin, you may need to hold this area taut also.

What numbing cream is good for microneedling?

Lidocaine, Prilocaine & Epinephrine Numbing Cream

Each tube contains the active numbing ingredients lidocaine, prilocaine, and epinephrine. Once the anesthetic is applied on clean and dry skin it can provide effective anesthesia for microneedling as early as 15 minutes after application.

How many pins are best for microneedling?

The 24— to 42-pin cartridges should be your option for larger, more sensitive areas like the scalp, neck, and body. Whether you're targeting stretch marks or cellulite or want to improve the overall texture of your skin, these cartridges offer versatility and effectiveness.

How to make microneedling more effective?

We'll tell you how you can get the best results from this collagen-boosting therapy.
  1. Be Honest With Your Medical Provider. ...
  2. Go To Your Treatment With Bare Skin. ...
  3. Avoid Other Treatment Procedures or Topical Products Before Microneedling. ...
  4. Do Not Take Anti-Inflammatory and Blood Thinning Medications Before The Procedure.

How often should you microneedle your face?

Most people need multiple microneedling treatments, usually about 3 weeks to 8 weeks apart. It can take 3 months to 6 months to see results. Afterward, you might need the procedure once a year for maintenance.

Which is better 16 or 36 pin microneedling?

Cartridges with 11-16 pins are best suited for targeted applications. Size 36-42 pins are best for larger surface areas and more sensitive skin.

Does numbing cream affect microneedling results?

Sure, TLA may ensure a completely pain-free procedure. However, besides the potentially hazardous side-effects, it could also negatively impact your results. Studies show that TLA may even hinder the proliferation and synthesis of collagen (the protein tha__t helps our skin look younger).

What is the difference between 30 pins and 40 pins?

30-pin connector is the most common style in use today. It can support non-touch screens up to a resolution of 3,840 x 2160. 40-pin connector is used in modern touch and high resolution screens, but it was also used in older LVDS screens from 2010-2015.

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