Dr. Pen
Bio Roller G4
Bio Roller G4
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Bio Roller G4 is a professional dermaroller developed for both skin rejuvenation and hair growth stimulation. With a total of 1200 stainless steel microneedles and the ability to choose different needle lengths, it is specially designed for use on the scalp, beard, and face. The unique design with an integrated disinfection tank makes Bio roller G4 a hygienic and practical tool for both home use and clinics.
Benefits and Features:
- 1200 microneedles: The high needle density creates thousands of microchannels with each roll, activating the skin's natural healing process, increasing local blood circulation, and can stimulate dormant hair follicles.
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Developed for scalp, beard, and face: Bio Roller G4 is described as particularly suitable for use on the scalp and face. It is often used in the treatment of hair loss, beard growth, and for general skin rejuvenation.
- Multiple needle lengths: Bio Roller G4 is available with multiple needle lengths so that the treatment can be adapted to the area and skin/hair issues.
Choose the right needle length:
It can be difficult to know which needle length suits your needs, especially if you are new to microneedling. Therefore, we have compiled a clear guide below, where we explain the benefits, areas of use, and recommendations for each needle length – so you can confidently choose the right roller for your skin.
0.25 mm:
- Improved absorption of serums and hair growth products
- Mild skin stimulation
- Suitable for more sensitive skin and frequent treatments
0.5 mm:
- Can help improve skin texture, pores, and minor scars
- For skin texture and light hair and beard stimulation
- Balance between effect and recovery
1.0 mm:
- For more experienced users
- Can be used on skin with more pronounced texture or scarring
- Often used on the scalp to stimulate dormant hair follicles in combination with hair serums
- Requires longer recovery time between treatments
Usage and Aftercare:
- Prepare Bio roller G4: Disinfect the roller by letting the head sit in 70% isopropyl alcohol for 5–10 minutes (use the integrated disinfection tank).
- Prepare the skin: Thoroughly clean the treatment area. For longer needles, anesthetic cream can be used.
- Execution: Divide the treatment area into sections. Roll 3–4 times in one direction and lift the roller between each stroke. Then change direction - vertically, horizontally, and diagonally - until the entire area is evenly treated.
- Aftercare for the skin: Apply a suitable serum to the treated area. Avoid makeup, strong acids, retinoids, and direct sunlight after the treatment.
- Clean Bio roller G4: After the treatment, clean thoroughly and store in a protective cover.
Who is it suitable for?
Bio Roller G4 is designed for individuals who want to combine skin improvement with hair or beard stimulation in one tool. It is suitable for most skin types and can be used on both skin and scalp when the right needle length and frequency selected.
Effective against:
- Superficial scars
- Fine lines
- Large pores
- Sparse or uneven beard growth
Not recommended for active acne, skin infections, or open wounds.
Common questions about Bio Roller G4
Is Bio Roller G4 CE-marked?
Yes, Bio Roller G4 is CE-marked and classified as medical equipment according to European standards.
What is Bio Roller G4?
Bio Roller G4 is a dermaroller with 1200 microneedles in stainless steel, designed for microneedling on skin and scalp to support skin improvement and hair growth.
How many needles does Bio Roller G4 have?
Bio Roller G4 is equipped with 1200 needles, providing high coverage and many microchannels with each stroke.
What different needle lengths does Bio Roller G4 have?
Bio Roller G4 comes in needle lengths of 0.25 mm, 0.5 mm, and 1.0 mm so that the treatment can be tailored to needs and area.
Does the treatment with Bio Roller G4 hurt?
With shorter needles, the treatment is usually perceived as mild. Longer needles may feel more, especially on the scalp, but the discomfort can often be managed through proper technique and longer intervals between treatments.
How often can I use Bio Roller G4?
The recommended treatment interval is every other to every sixth week, depending on skin condition.
Strengthen skin and hair deeply with Bio Roller G4
Bio Roller G4 is a versatile dermaroller with 1200 needles in stainless steel, designed for those who want to work with both skin rejuvenation and hair/beard stimulation. With multiple needle lengths, an integrated disinfection tank, and high needle density, it is an effective tool for both home users and professionals who want to optimize results and hygiene in their microneedling routines.
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Shipping & delivery
Shipping & delivery
We offer fast and smooth deliveries throughout Europe with DHL
- Read more about shipping costs under Terms of Purchase
- Delivery time: 3-5 business days
- Orders placed before 12:00 PM are usually shipped the same day
- Tracking link is sent via email or SMS when the package leaves the warehouse
During campaigns or high demand, delivery time may be slightly longer.
Payment options
Payment options
We offer several secure and convenient payment methods. All payments are encrypted for your security.
- Klarna – pay directly, later or split the payment
- Card payment – Visa, Mastercard etc.
- PayPal – fast and secure payment
- Google Pay – pay easily with your Google account
- Apple Pay – fast payment directly via your device
Returns & warranty
Returns & warranty
We offer a simple and clear return process to make you feel secure with your purchase.
- 14 days return policy from the time you receive the package
- The product must be unopened, unused, and in its original packaging
- For hygiene and safety reasons, no returns of opened products are accepted, e.g., needles or other disposable items
- Always contact customer service before returning for further instructions
Refunds are made to the same payment method when the return has been received and inspected.
In the case of a defective or damaged item, contact us immediately and preferably attach pictures or video for faster handling.
Frequently Asked Questions (FAQ)
Frequently Asked Questions (FAQ)
Is the product safe to use at home
Yes, our products are designed for safe home use when used correctly. Always follow the included instructions and recommended settings.
What is the difference between home use and clinical use?
For home use, shallower needle depth and longer intervals between treatments are used. Clinical treatments can be performed deeper and more intensively.
How often can you do microneedling
The treatment intervals depend on the needle depth and treatment area. Shallower treatments can be done more often than deeper treatments.
Does the treatment hurt?
The sensation varies from person to person. Most experience mild to moderate discomfort depending on needle depth and treatment area.
Which areas can be treated
The products can be used on, for example, the face, neck, and scalp, depending on the model and choice of needle head.
Which needles are compatible with the product?
Only needle heads intended for the model should be used. See the product specifications for compatible needles.
How long does it take to see results?
Results are experienced individually and may vary depending on skin type, treatment area, and treatment frequency.
Is there a warranty on the product?
Yes, the device is covered by a 1-year warranty that applies to manufacturing defects. Consumables like needles are not covered by the warranty.
