7 reviews for KERNEL KN-4006B Compact Ultraviolet Phototherapy Device
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The KN-4006B is a compact ultraviolet phototherapy device designed for the treatment of skin conditions such as vitiligo, psoriasis, pityriasis rosea, and eczema.
Equipped with high-quality Philips ultraviolet lamps, it ensures excellent stability and long-lasting performance.
Its unique structural design makes it lightweight, easy to move, and portable, allowing patients to conveniently perform UV exposure treatments at home or in clinical settings.
An optional voice guidance feature is available throughout the process to assist users step by step during treatments.

Key Features:
The KN-4006A/B & AL/BL offers an effective and convenient solution for managing various skin conditions through phototherapy, ensuring patients have access to high-quality treatment in the comfort of their own homes.

| Benefits | |||||||
| Lamp Intensity | 7.2-3.2mW/cm2 | 7.2-3.2mW/cm2 | 7.2-3.2mW/cm2 | 4.5mW/cm2 | 4.5mW/cm2 | 7.2-3.2mW/cm2 | 7.2-3.2mW/cm2 |
| Working Distance | 3 cm ±0.5 | 3 cm ±0.5 | 3 cm ±0.5 | 3 cm ±0.5 | 3 cm ±0.5 | 3 cm ±0.5 | 3 cm ±0.5 |
| Bulbs Type | 1x PL-S9W/01/2P Phillips | 1x PL-S9W/01/2P Phillips | 1x PL-S8W/01/4P Phillips | 2 x PL-S9W/01/2P Phillips | 2 x PL-S9W/01/2P Phillips | 2 x PL-S9W/01/2P Phillips | 2 x PL-S8W/01/4P Phillips |
| Light Source | UVB Light 311±2 nm | UVB Light 311±2 nm | UVB Light 311±2 nm | UVB Light 311±2 nm | UVB Light 311±2 nm | UVB Light 311±2 nm | UVB Light 311±2 nm |
| Power Source | Corded | Corded | Rechargeable | Corded | Corded | Corded | Rechargeable |
| Treatment area | 5x2 in | 5x2 in | 5x2 in | 5x4 in | 5x4 in | 5x4 in | 5x4 in |
| Structure | Handheld | Handheld | Handheld | Table-top | Table-top | Handheld | Handheld |
| Lamp Intensity | Working Distance | Bulbs Type | Light Source | Power Source | Treatment area | Structure |
| 7.2-3.2mW/cm2 | 3 cm ±0.5 | 1x PL-S9W/01/2P Phillips | UVB Light 311±2 nm | Corded | 5x2 in | Handheld |
| 7.2-3.2mW/cm2 | 3 cm ±0.5 | 1x PL-S9W/01/2P Phillips | UVB Light 311±2 nm | Corded | 5x2 in | Handheld |
| 7.2-3.2mW/cm2 | 3 cm ±0.5 | 1x PL-S8W/01/4P Phillips | UVB Light 311±2 nm | Rechargeable | 5x2 in | Handheld |
| 4.5mW/cm2 | 3 cm ±0.5 | 2 x PL-S9W/01/2P Phillips | UVB Light 311±2 nm | Corded | 5x4 in | Table-top |
| 4.5mW/cm2 | 3 cm ±0.5 | 2 x PL-S9W/01/2P Phillips | UVB Light 311±2 nm | Corded | 5x4 in | Table-top |
| 7.2-3.2mW/cm2 | 3 cm ±0.5 | 2 x PL-S9W/01/2P Phillips | UVB Light 311±2 nm | Corded | 5x4 in | Handheld |
| 7.2-3.2mW/cm2 | 3 cm ±0.5 | 2 x PL-S8W/01/4P Phillips | UVB Light 311±2 nm | Rechargeable | 5x4 in | Handheld |
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I still use my prescribed creams when necessary, but not as often as before. Phototherapy has helped me keep my skin calmer between flare-ups.
My skin still does not look perfect, but the burning and tight feeling are mostly gone. That improvement matters more to me than complete cosmetic clearance
The treatment itself is effective, but I wish I had chosen the cordless version. I frequently treat different areas and have to reposition myself around the outlet
At first, I thought the small dots inside the white patches were dirt or freckles, my dermatologist explained that they were early signs of repigmentation
The vitiligo on my face responded well, but my fingers have barely changed. I am continuing because my dermatologist warned me that hands can be stubborn.
I increased the time too aggressively and had redness the next day bu after lowering the exposure and following the schedule more carefully, I had no further issues
My skin usually becomes much worse when the weather gets cold and dry. This year, I started phototherapy early and the flare was noticeably milder