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Philips BU-1S UVB Lamp – Medical device and UVB light therapy for vitiligo, psoriasis and eczema
Manage skin conditions effectively and conveniently at home. The Philips BU-1S medical device and UVB lamp for humans emits a precise 311 nm NB-UVB wavelength that supports the treatment of:
- Vitiligo
- Psoriasis
- Atopic eczema
- Seborrhoeic dermatitis
- Other eczema, including hand eczema
Technical Specifications
Model: Philips BU-1S, Powered by Philips PL-S 9W/01 (Original Medical Bulb).
Dimensions: 300 × 55 × 45 mm
Weight: 0.48 kg
Emission peak: 311 nm (narrowband UVB)
Irradiance: ≥ 7 mW/cm²
Preparing for Your First Session
- Plug in the mains lead and switch the unit on.
- Initial exposure time (first session):
- Adults: 30 seconds
- Children: 15 seconds
Directions for Use
- Treat 2–3 times per week, leaving at least one full day between sessions.
- Only treat when any redness (erythema) from the previous session has subsided and the skin has fully recovered.
A skin reaction (erythema - redness) typically appears 6–8 hours after exposure:
- No redness: increase exposure time by 20 seconds at the next session.
- Mild redness: if it clears within 24 hours, extend by 20 seconds at the next session.
- Noticeable redness (desired state): if it is still pink after 24 hours, keep the same time and wait for it to fully fade.
- Marked redness: pause treatment until the skin returns to normal, then reduce the time by 20%.
- The typical exposure per spot is about 3–4 minutes, depending on skin type.
The Philips BU-1S handheld NB-UVB lamp for vitiligo & psoriasis treatment is designed to be user-friendly, versatile and highly effective for managing vitiligo, psoriasis and other inflammatory skin conditions. With regular, well-titrated use, you can support healthier, more even skin.
Frequently Asked Questions – Philips BU‑1S for psoriasis
Frequently Asked Questions – Philips BU‑1S for vitiligo
More from category
Eva Maria Kerkmann,
22.3.2026 21:50.48
After taking a break from the treatment because of a holiday, during which I spent a lot of time in the mountains, I would like to share my current experience with the progress. I can see nice improvements in several areas, especially on my face.The repigmentation on my chin is unfortunately quite dark at first, so the patches are more noticeable right now. But at the same time, they have become much smaller. I would say around 50% of the vitiligo areas on my chin have already disappeared. My forehead also looks very good and the changes there are much less noticeable. The repigmentation looks like bigger freckles and is not much darker than the surrounding normal skin. On my hands, unfortunately, I still don’t see almost any change – not even slight redness or pink colour. I know that areas on hands and feet usually take the longest, so I’m trying to stay patient. I also have a few patches on my body on my décolletage around 70–80% is already repigmented. On my stomach and back the progress is slower but something is happening there as well. Overall, I am very satisfied and after many years I am finally happy to see the first really promising results. Thank you very much for your excellent products Peter. I’ll definitely continue.
Emily,
22.3.2026 19:37.30
I’ve had psoriasis for many years and honestly, looking back, I’m quite surprised that no dermatologist ever recommended UVB light therapy to me. After just two months, my results are better than ever before!!!! The only small downside is that the website is mainly focused on vitiligo – without a friend’s recommendation, I probably would never have found the Philips lamp. If I can suggest, maybe you could improve the website a bit in this way. Still, thank you very much.
Sarah,
4.2.2026 9:22.17
UVB Lamp Philips – Psoriasis
I’ve had scalp problems since my teenage years (around the age of 17). For a long time, I thought it was “just” seborrhoeic dermatitis, and to be honest, I didn’t visit a dermatologist regularly. A few years ago, psoriasis was mentioned for the first time, and more recently it was confirmed – also in connection with my arthritis. UVB therapy was recommended to me, and I noticed an improvement quite quickly: less itching and fewer new plaques. That’s why I decided to order the lamp for home use. From my side, a clear recommendation for psoriasis – I will definitely share my experience with others.
Richard,
2.4.2025 11:29.54
psoriasis
I've been using the Philips UVB lamp for my psoriasis treatment over the past few weeks. It has noticeably reduced my symptoms, and I'll certainly continue with the treatment.
Richard,
2.4.2025 10:29.54
psoriasis
I've been using the Philips UVB lamp for my psoriasis treatment over the past few weeks. It has noticeably reduced my symptoms, and I'll certainly continue with the treatment.
£135
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