Description
Kernel Portable 311nm UVB Lamp, with 2x 311nm Bulbs, Light Intensity 5.5 mW/cm² – KN4006BL2D –UVB Light Therapy Ideal for Larger Skin Areas
The use of 311nm narrowband ultraviolet B (NB-UVB) light has been clinically proven and used for nearly 12 decades as an effective treatment for various skin conditions, including:
- Psoriasis
- Vitiligo
- Eczema
- Parapsoriasis
- Atopic dermatitis
- Pityriasis rosea
Experience medical-grade phototherapy sessions in the comfort of your home. This device helps accelerate healing and relieve the unpleasant symptoms associated with various skin conditions.
- Suppressing the cutaneous cell-mediated immune response
- Speed up skin re-pigmentation
- Reduce itching, swelling and inflammation
- Smooth and shrink raised red, scaly or patches
Key Features
[Two Philips 311nm UVB Lamps] Delivers a 16 in² treatment area, nearly twice the size of the KN4003BL or KN4003BL2D. Perfect for treating arms, legs, torso, and other large skin areas, allowing for shorter, more efficient treatment sessions.
[Powerful NB-UVB Treatment] Emits consistent UVB light for up to 40 minutes on a full charge. Includes a distance reminder to help users maintain a safe and effective treatment distance.
[Travel-Ready] Lightweight and equipped with 100–240V universal voltage compatibility, making it easy to maintain your treatment routine anywhere in the world.
Treatment Guidelines for Phototherapy
NB-UVB Phototherapy Treatment Session and Frequency
| Skin Condition | Treatment Frequency | Noticeable Results are Seen after |
| Psoriasis | 3-4 sessions per week | 15-20 sessions |
| Vitiligo | 2-3 sessions per week | 30-50 sessions |
NB-UVB Phototherapy Dose Guidelines by Body Area
Initial Dose
- Psoriasis: 300 mJ/cm²,
- Vitiligo: 150-200 mJ/cm²
|
Body Area |
In addition to the initial dose, add dose |
|---|---|
| Face & Perineum | 150 ~ 180 mJ/cm² |
| Hand & Palm | 400 mJ/cm² |
| Torso & Limbs | 200 ~ 250 mJ/cm² |
Instruction for Use
Pre-Treatment Steps:
1. Bathing: Take a 15-20 minute bath to remove skin scales.
2. Determine MED: Minimum Erythema Dose (MED) must be calculated before treatment.
- Kernel KN4006B Lamp Intensity: 5.5 mW/cm²
- MED Formula: Irradiation Time (seconds)=Dose (mJ/cm²) ÷ Lamp Intensity (mW/cm²)
Dose Adjustment Guidelines:
A. No Erythema or Previous Erythema Resolved:
- Increase dose by 20-25%.
B. Mild Erythema:
- Maintain the same dose or increase by 10%.
- If resolved, follow "A."
C. Asymptomatic Shiny Erythema:
- Skip one treatment and resume with the same dose.
- Gradually increase by 10% for subsequent sessions.
D. Painful Erythema with Edema or Blisters:
- Stop treatment until recovery.
- Resume at half the previous dose.
Important Consideration
- Always use protective eyewear during the treatment.
- Document the dosage and monitor your skin’s response after each session to adjust dosing appropriately.
- Consult with a dermonlogy professional before starting or modifying phototherapy treatments.
Business Transparency
Kernel, founded in 1997, is dedicated to research, development, and manufacturing in the high-tech medical equipment industry, with leading innovations in UV phototherapy devices, colposcopes, and PDT photodynamic therapy devices. Headquartered in Jiangsu, China, Kernel has offices in more than 30 countries and regions worldwide and is widely praised for its quality, effectiveness, and after-sales service. Kernel's products have been approved by the FDA, CE, and ISO 9001. Ahead of its peers in the medical equipment field, Kernel is also a supplier to the United Nations.
14-Day Return Policy
Customers may return eligible products within 14 days of purchase for a refund or exchange. For hygiene reasons, opened or used items cannot be returned unless they are defective or faulty.
Please note: A 20% restocking fee applies to all returns.
For full details, please refer to our Return Policy under the Warranty tab.
Comparison Chart
| Product Model | KN4003BL | KN4003BL2D | KN4006B | KN4006BL1D | KN5000C |
 |
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 |
 |
 |
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| Setting | Home and domestic travel | Home, domestic and international travel | Home | Home, domestic and international travel | Clinics, hospitals and home |
| Name | Corded, Handheld 311nm UVB Lamp | Portable, Handheld 311nm UVB Lamp | Corded, Stationary & Handheld 311nm Double UVB Lamps | Portable, Handheld Double UVB Lamps | 308nm Excimer Laser - Highest Intensity and Precision |
| Price | $288.44 | $319 | $365 | $460 | $2999.48 |
| Application | - Psoriasis - Vitiligo - Eczema and other Atopic dermatitis - Pityriasis Rosea and Tinea Capitis |
– Patients with a longer history of more severe conditions, such as Psoriasis, Vitiligo, Eczema, Pityriasis Rosea, Atopic dermatitis and Tinea Capitis. – Patient who have not seen any improvement from other treatments. |
|||
| Treatment Area |
- Scalp and hairline - Face and neck - Hands, feet and relevantly smaller skin areas |
- When the lamp is on the station: hands, feet, back, shoulders, and other hand-free or hard-to-reach areas - When the lamp is removed from the station: hands, arms, legs, torso, and other large skin areas |
- Face and neck - Hands and feet - Torso, limbs and large skin areas |
Entire body, including hard-to-target areas such as elbows, eyelid, armpits, fingers, knees and toes |
|
| Treatment Speed | Fast | Fast | 1.2X Faster | 1.2X Faster | 11X Fastest |
| Lamp Intensity | 4.5 mw/cm² | 4.5 mw/cm² | 5.5 mw/cm² | 5.5 mw/cm² | 50 mw/cm² |
| Light Source | 1 x Philips 311nm ± 3nm Bulb | 1 x Philips 311nm ± 3nm Bulb | 2 x Philips 311nm ± 3nm Bulbs | 2 x Philips 311nm ± 3nm Bulbs | 308nm xeCl Excimer Laser 308nm ± 2nm |
| Treatment Size | 8.5 in² ± 10% | 8.5 in² ± 10% | 16 in² ± 10% | 16 in² ± 10% | 3.1 in² ± 10% |
| Work Distance | 1.18 in ± 0.20 in | 1.18 in ± 0.20 in | 1.18 in ± 0.20 in | 1.18 in ± 0.20 in | 1.18 in ± 0.20 in |
| Power source | Corded | Cordless, Built-in Rechargeable Battery, up to 70 minutes | Corded | Cordless, Built-in Rechargeable Battery, up to 40 minutes | Corded |
| Light Source Lifespan | ≥ 500h | ≥ 500h | ≥ 500h | ≥ 800h | ≥ 500h |
| Package | UVB lamp, cord, UV-proof glasses, instruction | UVB lamp, charger, UV-proof glasses, instructions | UVB lamp and station, cord, UV-proof glasses and instruction | UVB lamp, distance holder, charger, UV-proof glasses and instructions | Excimer Laser 308nm, cord, 6 x shades, UV-proof glasses, 1 x aluminum case and instructions |
Details
Delivery: |
Free shipping 7 - 10 Days |
Application: |
Psoriasis, Vitiligo, Eczema, Pityriasis Rosea, Atopic Dermatitis |
Treatment Area: |
Larger Areas Like Back, Torso and Limbs |
Brand Name: |
Kernel |
Product: |
Cordless, Portable 311nm Narrowband Double UVB Lamps |
Model: |
KN4006Bl1D |
Certificate: |
FDA Approved |
Wavelength: |
311 nm ± 3 nm |
Light Source: |
2 x Philips Light Bulb |
Light Intensity: |
5.5 mw/cm2 |
Treatment Size: |
16 in² ± 10% |
Treatment Speed: |
Faster |
Treatment Mode: |
Time |
Work Distance: |
1.18 in ± 0.20 in |
Built-in MED Test: |
N |
Mobility: |
Portable |
Built-in Battery: |
Y |
Battery Life after Fully Charged: |
40 min |
Power Source: |
Adaptable to 100-240V |
Screen: |
Basic LED Screen |
Light Source Lifespan: |
≤ 500h |
Packing List: |
KN4006BL1D, 1 x UV-proof Goggles, 1 x Charging Cable, 1 x User Manual |
Dimension: |
16'' L x 8.7'' W x 3.9'' H |
Product Weight: |
3.31 lbs |
Warranty
Product Warranty
- 1-year for the entire machine, 500 hours for the light source.
- Free parts, replacements, and shipping for manufacturer defects during the warranty.
- Post-warranty repairs can be arranged through Hey Med Supply.
Return & Refund Policy
At Hey Med, we’ve been committed to delivering quality medical supplies with heart. If you need to return a product, please review the policy below to ensure a smooth return process.
14-Day Return Policy
Customers may return eligible products within 14 days from the date of purchase for a refund or exchange. For hygiene reasons, we do not accept returns of opened or used products unless the item is faulty. Hey Med also charges 20% of restocking fee for all returns.
Eligibility for Returns
- Sealed & Unused Products: Customers can return new, unopened, and unused products in their original factory-sealed packaging for any reason.
- Defective or Damaged Products: If the product is damaged upon arrival or deemed defective, it may be returned even if unsealed.
Return Process
Initiate a Return
- Contact us via email or the contact form on our website within 14 days of purchase.
- Provide your order details, reason for return, and confirmation that the product is unused and in its original packaging.
Receive Return Authorization
- We will review your request and provide you with a return authorization within 24 hours.
- You will receive shipping instructions to complete your return.
- Unauthorized returns will not be accepted.
Ship the Product
- Pack the product securely in its original packaging, including all accessories.
- Buyers must ship the return within 5 days after receiving the return authorization.
- Buyers are responsible for shipping costs, except in cases where the product is defective or arrived damaged.
Return Verification & Refund Processing
- Once we receive and inspect the returned product, we will process a refund to your original payment method within 48 hours.
- If the item is not in "new" condition or does not meet our return policy requirements, the return may be declined.
FAQs
Who Covers Return Shipping?
- Customer-Paid Return Shipping: If returning a non-defective, unopened item, the buyer is responsible for shipping costs.
- Hey Med Supply Covers Return Shipping: If the product is defective or damaged upon arrival, we will cover the return shipping costs.
Exchanges for Defective Products
If an item is deemed defective, Hey Med Supply will ship a replacement device at no additional shipping cost.
If you have any questions or need assistance, please contact our customer support team at cs@heymedsupply.com.
Product Reviews
-
I bought it to treat the skin on my back and limbs
I was a little taken aback by the size of the lamp when I first opened the package, but it’s very well-built and high quality. I bought it to treat the skin on my back and limbs, and after about one month of use, I’ve started seeing improvements—less itching and thinner plaque edges. Exciting progress so far.
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Great product
I was surprised by the size of this wand at first, but then realized it makes sense for a double 311 UVB bulbs. The weight is actually manageable, and it doesn’t feel heavy when I use it to treat my arms and torso.
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Wish we had found it earlier!
The itchiness on shoulders and neck are completely gone! I bought this for my mom as a Christmas gift, and she’s been using itf ever since. She struggled with stubborn patches that creams couldn’t fix, but this lamp works! It’s a bit pricey, but absolutely worth it.
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Delivered on the 5th day
I need a stronger lamp for my legs. I’ve used this type of lamp before at my doctor’s office, so I have a good idea of how it works. Having my own at home would be much more convenient.
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Worth it
My doctor recommended home light therapy for my Vitiligo, so I researched multiple devices before choosing this one for its stronger light output. I’ve seen clear improvements. My skin has cleared up, and pigmentation has reduced.
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Reliable
I was searching a UVB lamp for the larger patch on my chest and came cross this machine. I've noticed really good results after the first few weeks of use. The itching has reduced. It is worth considering for those who are looking for a uvb lamp.
