Description
Advanced UVB Therapy for Skin Recovery
The Philips Narrow Band UVB Lamp KN-4003B is a clinically trusted solution designed to help improve the appearance of vitiligo, psoriasis, eczema, and other chronic skin conditions. Using narrowband UVB (311nm) technology, this device delivers precise light therapy to stimulate melanocyte activity and support natural skin regeneration.
Why Choose the KN-4003B UVB Lamp?
Unlike broad-spectrum UV treatments, this device emits a targeted wavelength that maximizes results while minimizing unnecessary UV exposure. This makes it safer and more effective for long-term use.
✔ Helps repigment skin affected by vitiligo
✔ Reduces inflammation and scaling in psoriasis
✔ Supports skin barrier repair for eczema
✔ Compact, handheld design for targeted treatment
✔ Suitable for home use or professional clinics
Key Features & Specifications
- Light Source: Philips Narrowband UVB Lamp
- Wavelength: 311nm (medical-grade narrowband UVB)
- Model: KN-4003B
- Design: Portable handheld device
- Treatment Area: Targeted/localized application
- Use: Vitiligo, psoriasis, eczema, dermatitis
How It Works
The 311nm UVB wavelength penetrates the skin to:
- Stimulate melanin production (for vitiligo)
- Slow excessive skin cell growth (psoriasis)
- Reduce inflammation and itching
- Improve overall skin tone and texture
Perfect for Home & Clinical Use
The KN-4003B allows for convenient at-home treatments, reducing the need for frequent clinic visits while still delivering professional-level results.
HOW TO USE
- Clean and dry the treatment area
- Wear protective eyewear before use
- Position the lamp over the affected area
- Start with short exposure times (as advised by a professional)
- Use 2β3 times per week, gradually increasing duration
⚠️ Always follow recommended exposure guidelines to avoid overuse.
SAFETY & PRECAUTIONS
- Not suitable for use without proper guidance if you have light sensitivity
- Avoid overexposure to prevent irritation or burns
- Always use protective eyewear
- Consult a healthcare professional for treatment planning
BENEFITS AT A GLANCE
- Clinically proven UVB wavelength (311nm)
- Supports visible repigmentation
- Reduces redness, scaling, and irritation
- Non-invasive, drug-free treatment option
- Cost-effective alternative to clinic visits
Specifications
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Package Size
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390mmΓ190mmΓ100mmοΌLΓWΓHοΌ
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| Radiant Area |
55cm2Β±10% |
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Operation Mode
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Continuous Operation with Intermittent Loading
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Working Distance
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3cmΒ±0.5cm
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| Output Wavelength Range | UVA:Β Β Β 320-400nm Peak Value 368nmΒ±3nm NBUVB:Β 311ο½312nm
Peak Value 311nmΒ±3nm |
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| Lamp life expectancy | More than 1000 hours |





Grace Owusu –
Itβs okay, but nothing special.
Bianca Russo –
Functional, but not outstanding.
Johanna Karlsson –
Excellent value for the price.