UVB versus UVA Light Therapy: What’s Best for Psoriasis and Eczema ?

Managing chronic skin conditions like psoriasis and eczema can feel like an endless cycle of trial and error. Among the most effective and science-backed treatments available today is light therapy. But when it comes to choosing between UVB versus UVA light therapy, which one truly delivers better results?

In this guide, we’ll break down the key differences between UVA and UVB therapy, highlight the most effective options for your skin condition, and point you to trusted at-home UVB light therapy devices available at Australian Psoriasis and Eczema Supplies.

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What Is Light Therapy and How Does It Work?

Light therapy, also known as phototherapy, involves exposing the skin to specific wavelengths of ultraviolet (UV) light to reduce inflammation, slow down rapid skin cell growth, and soothe irritation.

The Two Key Types of UV Light:

• UVA (Ultraviolet A): Longer wavelengths, deeper skin penetration.

• UVB (Ultraviolet B): Shorter wavelengths, acts on the surface layers of the skin.

Understanding how each type of light affects your skin is crucial when deciding on treatment for psoriasis, eczema, or dermatitis.

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UVB versus UVA Light Therapy: What’s the Difference?

1. Wavelength and Penetration

• UVA Light Therapy:

  • Wavelength: 320–400 nm

  • Penetrates deep into the dermis

  • Often used in conjunction with psoralen (PUVA therapy)

• UVB Light Therapy:

  • Wavelength: 280–320 nm

  • Targets the epidermis (top layer)

  • Most commonly used for psoriasis and eczema

2. Effectiveness for Psoriasis and Eczema

UVB Light Therapy:

• Clinically proven to reduce the symptoms of plaque psoriasis, scalp psoriasis, eczema, and dermatitis

• Works by slowing down overactive skin cell growth

• Reduces itchiness, redness, and flaking

• Does not require any sensitising drugs

UVA Light Therapy:

• Less commonly used for psoriasis unless combined with psoralen (PUVA)

• May help with certain forms of eczema, but not as effective alone

• Higher risk of skin aging and long-term damage

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Why UVB Light Therapy Is the Preferred Option

At Australian Psoriasis and Eczema Supplies, we focus exclusively on UVB light therapy because of its proven safety, effectiveness, and ease of use at home.

🔹 Benefits of UVB Light Therapy Devices from Our Store:

✅ Safe and Natural

Our devices, like the popular Skin Soothing UVB Lamp, use a 311nm narrowband UVB wavelength, clinically shown to be the most effective range for treating psoriasis and eczema.

✅ Drug-Free Relief

Unlike PUVA (UVA + psoralen), UVB therapy doesn’t require taking any light-sensitising medications. This eliminates many side effects such as nausea or increased sun sensitivity.

✅ Convenient At-Home Use

Devices like our UVB Comb Lamp and Handheld UVB Light are designed for easy, targeted use on the scalp, elbows, knees, and other common flare-up areas. No more long trips to dermatology clinics.

✅ Recommended by Dermatologists

The 311nm wavelength is a gold standard in psoriasis care and is frequently recommended by specialists across Australia.

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Comparing Light Therapy Options on Our Website

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Our Top UVB Light Therapy Devices

Here are three top-selling UVB devices available now on psoriasisandeczema.com.au:

1. Dermalight™ UVB Lamp

Perfect for moderate to severe psoriasis. Offers a large treatment area and precise control over exposure time.

• Ideal for arms, legs, and torso

• Built-in timer for safety

• Includes protective UV goggles

2. UVB Light Therapy Comb

Designed specifically for scalp psoriasis, this device reaches through the hair to directly treat the skin.

• Lightweight and portable

• Detachable comb for broader use

• Great for home or travel

3. Handheld UVB Phototherapy Lamp

A compact solution for targeted relief on knees, elbows, and small flare-ups.

• Narrowband 311nm light

• Effective for localized treatment

• Comes with detailed instructions for safe use

All products include free shipping across Australia, and we offer support and usage guidance to ensure safe application at home.

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Is Light Therapy Right for You?

Before starting UVB treatment, consult with a healthcare professional—especially if you're currently on medication, have a history of skin cancer, or have light sensitivity issues.

That said, most of our customers have experienced:

• Noticeable improvement in 2–4 weeks

• Reduced itch and inflammation

• Less dependence on steroid creams

• Improved quality of life

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Real Results from Real Australians

“I’ve had psoriasis for 15 years and tried everything. This lamp made a difference in just a few weeks. It’s honestly a life-changer!”
— Jennifer R., NSW

“Using the UVB comb twice a week has cleared my scalp. No more flakes on my pillow!”
— Mark L., VIC

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Final Thoughts: UVB vs UVA – The Clear Winner for Skin Health

When comparing UVB versus UVA light therapy, UVB is the clear winner for treating psoriasis and eczema safely, effectively, and conveniently at home.

At Australian Psoriasis and Eczema Supplies, we stock only clinically trusted UVB phototherapy devices that allow you to reclaim control of your skin—without steroids, clinics, or hassle.

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✅ Shop our range of UVB light therapy devices now and experience soothing skin relief backed by science.

🔗 Explore our UVB product collection here

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Frequently Asked Questions

❓ Is UVB therapy safe to use at home?

Yes, when used correctly according to instructions. Our lamps come with built-in timers, safety glasses, and comprehensive user guides.

❓ How long until I see results?

Most people see improvement within 2–4 weeks of consistent use.

❓ How often should I use my UVB lamp?

Start with 3–4 sessions per week. Your skin type and condition severity will determine the best schedule.

❓ Can children use UVB therapy?

Consult your dermatologist before use on children. In some cases, pediatric dermatologists recommend it for severe eczema or psoriasis.