Is a 1.5 mm dermaroller too much?

Author: Hermann Gerlach  |  Last update: Tuesday, January 13, 2026

The human skin has an average thickness of 1.5mm, so normally needles longer than 1.5mm is not necessary to achieve results from rolling.

Is 1.5 mm too deep for microneedling?

For the important long-term benefits of microneedling to be achieved it's vital that the dermis is affected. Some beauty therapists offer microneedling but they aren't allowed to needle beyond 1.5mm deep. In some areas a 1.5mm needle will not reach the dermis and so will have no effect on it.

Can you use 1.5 mm on face?

Large Microneedles - 1.5mm-3mm

Large microneedles are made explicitly for treating extremely deep acne scarring, stretch marks, cellulite and body scarring. Needles of this size are generally far too large for the face (except on very rare cases).

Is a 1.5 mm derma roller safe for stretch marks?

House of Beauty 1.50mm derma roller is a home use micro needling device that helps in improving hair growth, reduces and removes overtime stretch marks, triggering new collagen synthesis in the skin, and removing acne scars, surgical or burn scars, very deep wrinkles.

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.

Microneedling: The BEST Needle Size For Hair Regrowth (2024 Update)

What is 1.5 mm Dermaroller used for?

Derma Roller intended for people with wrinkles, skin pigmentation, large pores, acne scars, stretch marks, whilst helping other nutritional products absorb and thickening the epidermis (base layer of skin).

What is 1.5 mm rated to?

Ans: A 1.5mm² conductor has a carrying capacity of approximately 16-20A, based on its insulation type and environmental conditions under which it was used. This can be useful in lighting circuits or other low power circuits where it is needed to ramp up the current, or to dissipate noise.

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.

What is the best size of derma roller?

What type of derma roller should I use?
  • Short needles (0.25mm to 0.5mm) are ideal for improving skin texture and enhancing the absorption of skincare products. ...
  • Medium-length needles (0.5mm to 1.0mm) are effective for addressing concerns like fine lines, mild scarring, and pigmentation issues. ...
  • References:

Is a 1.5 mm Derma roller safe for scalp?

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.

What are the side effects of a derma roller?

Dermaroller Treatment Side-Effects

Skin Irritation – Derma rolling or microneedling may cause minor irritation and inflammation in the treated skin area. Some swelling may also occur if you have sensitive skin. Increase In Acne – In rare cases, using a derma roller may increase the risk of acne in the treated region.

Does 1.5 mm microneedling hurt?

Skin needling for creating microchannels has minimal discomfort as the a maximum depth is below 1.5 mm. It can feel a bit scratchy, but your practitioner will vary the settings during treatment areas to maximise comfort.

Is it better to microneedling fast or slow?

As a general rule, the faster you set the speed on your microneedling pen, the deeper the needle will penetrate your skin. If you're using the pen on your face or other sensitive areas, we recommend using a lower speed - this gives you more precise control of the pen and its movements.

What is 1.5 mm used for?

2.5mm is commonly used for behind sockets, while 1-1.5mm is most often used for lights (depending on how many lights you have in a circuit).

Can I use 1.5 mm derma roller once a week?

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.

Can I use vitamin C serum after dermarolling?

Don't use active ingredients such as vitamin C or retinol immediately after rolling or while your skin is still feeling sensitive. and while home rolling it's essential to use sunscreen during the day and avoid using any products with strong active ingredients immediately afterwards, such as retinol or Vitamin C.

Should I use .5 or 1 mm derma roller?

A 0.5 mm derma roller has shorter needles, making it more gentle and suitable for beginners or those with sensitive scalps, while a 1.0 mm derma roller has longer needles that can create deeper micro-injuries, potentially leading to more significant hair growth stimulation but also carrying a higher risk of discomfort ...

Can you overdo microneedling?

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 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 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.

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