
Overview
What Is Psoriasis?
Psoriasis is a chronic immune-mediated skin condition that causes skin cells to build up rapidly, forming thick, red, scaly plaques. While there is no cure, treatments such as NB-UVB phototherapy can help manage symptoms and improve skin appearance over time.
Common Symptoms of Psoriasis
Recognize the key signs to seek appropriate care early.

Red Plaques
Raised, inflamed patches of skin

Silvery Scales
Thick, flaky buildup on plaques

Itching
Persistent irritation and discomfort

Dry & Cracked Skin
May become painful or bleed
How Does Psoriasis UV Light Therapy Work?
Psoriasis UV light therapy uses controlled ultraviolet light to treat affected skin. Narrowband UVB may help slow excessive skin-cell growth and reduce inflammation, itching and scaling.

✅ Controlled UVB Exposure
Delivers narrowband UVB light to affected skin according to a planned treatment schedule.
✅ Slows Excessive Skin-Cell Growth
Helps reduce the rapid buildup of skin cells associated with psoriasis plaques.
✅ Supports Symptom Relief
May improve scaling, itching, redness and inflammation over time.
Important: Phototherapy is not suitable for everyone. Treatment type, frequency and exposure should be determined with guidance from a qualified healthcare professional.
Compare UVB Phototherapy Devices
← Swipe horizontally to compare →
| Product | 311nm NB-UVB
BU-1SFrom$179
| 311nm NB-UVB
BU-1From$199
| 311nm NB-UVB
BU-10From$279
| 308nm LED UVB
UV308AFrom$199
| 308nm LED UVB
UV308BFrom$369
| 308nm LED UVB
UV308EFrom$469
| 308nm LED UVB
UV308H4From$399
| 308nm LED UVB
UV308VFrom$569
|
|---|---|---|---|---|---|---|---|---|
| Wavelength |
311nm NB-UVB |
311nm NB-UVB |
311nm NB-UVB |
308nm LED UVB |
308nm LED UVB |
308nm LED UVB |
308nm LED UVB |
308nm LED UVB |
| Light Source |
Philips PL-S
9W/01/2P |
Philips PL-S
9W/01/2P |
Philips
UVB Lamp |
LED
9W/01/2P |
LED
9W/01/2P |
LED
9W/01/2P |
LED
9W/01/2P |
LED
9W/01/2P |
| Light Area | 48 cm² | 48 cm² | 48 cm² | 2 cm² | 4 cm² | 10 cm² | 16 cm² | 22 cm² |
| LED / Output | — | — | — | 6 / 8 LEDs | 8 LEDs | 20 / 30 LEDs | 33 LEDs | 40 LEDs |
| UV Intensity | — | — | — | 20–50
mW/cm² | 25–35
mW/cm² | 40–60
mW/cm² | 35
mW/cm² | 40–50
mW/cm² |
| Control |
One-button Instant start |
Button + Timer Digital timer |
OLED + Buttons Time & Dose |
Time & Dose Display |
Time & Dose Display |
Time & Dose Display |
OLED + Voice Time & Dose |
OLED Time & Dose |
| Weight | 0.48 kg | 1.28 kg | 1.25 kg | 0.07 kg | 0.12 kg | 0.30 kg | 0.56 kg | 0.44 kg |
| Easy Choice | Simplest 311nm option | 311nm + built-in timer | 311nm + OLED control | Smallest target area | Compact + more coverage | Higher output + medium area | Wide area + light comb | Largest 308nm coverage |
| Learn More | View BU-1S | View BU-1 | View BU-10 | View 308A | View 308B | View 308E | View 308H4 | View 308V |
Before & After
Visible repigmentation over time with consistent UV phototherapy.

Baseline
Initial presentation

Early Response
Redness and scaling begin to subside

Progressive
Noticeable plaque reduction

Significant Improvement
Clearer, smoother skin
* Individual results may vary. Consistent use under professional guidance is recommended.
Frequently Asked Questions
Quick answers to help you get started with confidence.
How does psoriasis UV light therapy work?
Psoriasis UV light therapy exposes affected skin to controlled ultraviolet light. Narrowband UVB is commonly used to help slow excessive skin-cell growth, reduce inflammation and improve symptoms such as scaling and itching.
Treatment response varies, and the schedule should be determined by a qualified healthcare professional.
Can I use UVB light therapy for psoriasis at home?
At-home UV light for psoriasis may be suitable for some patients when recommended by a dermatologist or qualified healthcare professional. Home devices can make regular treatment more convenient, but they must be used according to an individualized treatment plan.
Use only equipment intended for medical phototherapy. Do not substitute tanning lamps or general-purpose UV lights.
What type of psoriasis light therapy lamp should I choose?
The most appropriate psoriasis light therapy lamp depends on the size, number and location of your plaques. A handheld or targeted device may suit smaller areas, while a larger treatment window may be more practical for multiple areas.
Consider the wavelength, treatment area, timer or dose controls, safety instructions and your healthcare professional’s recommendations.
Is a handheld UVB lamp suitable for psoriasis?
A handheld UVB lamp for psoriasis may be convenient for small or localized plaques because it allows light to be directed toward a limited treatment area.
It may be less practical for widespread psoriasis. Ask a healthcare professional whether a handheld device is appropriate for your condition before starting treatment.
Where can I buy a UVB lamp for psoriasis?
You can buy a UVB lamp for psoriasis from a supplier that provides clear wavelength specifications, device instructions, safety information, warranty coverage and technical support.
Before purchasing, confirm that the product is intended for medical phototherapy and discuss the device type with a qualified healthcare professional.
What should I check when comparing psoriasis lamps for sale?
When comparing psoriasis lamps for sale, review the UVB wavelength, treatment-window size, timer or dose controls, protective accessories, instructions, warranty and replacement-lamp availability.
Avoid choosing a device based only on low price or high output. The lamp should match your treatment area and professional care plan.
How often should I use a UVB lamp for psoriasis?
The frequency of UVB treatment depends on your skin type, condition, previous exposure and response to treatment. There is no single schedule that is appropriate for everyone.
Follow the plan provided by your healthcare professional and the device instructions. Do not increase the frequency or exposure time independently.
Is NB-UVB effective for psoriasis?
NB-UVB phototherapy is a widely used treatment option that can help manage psoriasis symptoms for many patients.
Is psoriasis contagious?
No. Psoriasis is not contagious.











