Effective Date: August 3, 2026

Safety & Precautions

Informed use starts with safety.

UVB phototherapy uses controlled ultraviolet B light as part of a care plan for certain skin conditions. Because UVB is ultraviolet radiation, it should be used thoughtfully, with appropriate safeguards and an understanding of your individual risk factors.

This page explains important precautions for home UVB phototherapy. It does not replace a diagnosis, treatment plan, dosing recommendation, or advice from a licensed healthcare professional.

Important: Not every precaution listed below means UVB phototherapy is unsuitable for you. Some situations require a clinician to review your condition, medications, treatment history, or treatment plan before you begin or continue.

Before Starting UVB Phototherapy

Do not begin, restart, or change a UVB routine based only on online information or a previous treatment schedule.

Before your first session, you should understand:

  • Which area of skin you intend to treat
  • The starting exposure recommended for your situation
  • How often treatment should occur
  • What to do after a missed session
  • When treatment should be held, reduced, or stopped
  • How to recognize an unwanted skin reaction
  • How to use protective eyewear correctly

A clinician can help determine whether UVB phototherapy is appropriate based on your diagnosis, skin type, medical history, current treatments, and prior response to ultraviolet light.

Seek Medical Advice Before Starting or Restarting Treatment If You:

Speak with a dermatologist or other qualified healthcare professional before using a UVB device if you:

  • Have a personal history of skin cancer, precancerous skin lesions, or a significantly increased skin-cancer risk
  • Have been advised to avoid ultraviolet exposure
  • Have a condition that makes your skin unusually sensitive to sunlight or ultraviolet light
  • Have lupus, porphyria, xeroderma pigmentosum, or another diagnosed photosensitivity disorder
  • Have experienced an unusual or severe reaction to sunlight, tanning beds, or previous phototherapy
  • Have a new, unexplained rash or a change in a mole, spot, or skin lesion
  • Have open skin, severe irritation, active infection, blistering, or sunburn in the intended treatment area
  • Have an eye condition, a history of light-related eye problems, or cannot use suitable protective eyewear as directed
  • Are pregnant, breastfeeding, trying to conceive, or considering treatment for a child
  • Are receiving treatment for a skin condition but are unsure whether UVB is appropriate alongside your current care plan

This is not a complete list. When in doubt, seek professional guidance before using UVB phototherapy.

Medications, Supplements, and Topical Products

Some medicines and skincare products can increase sensitivity to ultraviolet light. This may increase the likelihood of excessive redness, burning, blistering, or another unwanted skin reaction.

Before treatment, tell your clinician and pharmacist about everything you use, including:

  • Prescription medicines
  • Over-the-counter medicines
  • Vitamins and herbal supplements
  • Topical creams, ointments, gels, and medicated shampoos
  • Retinoid-containing products
  • Acne treatments
  • Products used for pigment conditions or inflammatory skin conditions
  • New products started since your last UVB session

Do not assume that a product is compatible with UVB phototherapy simply because it is sold without a prescription.

If you start, stop, or change any medication or topical product during your treatment course, ask whether your UVB routine should also be reviewed.

Essential Safeguards for Every Session

UVB phototherapy should be deliberate, consistent, and carefully monitored. More exposure does not mean better results.

For safer use:

  • Follow the instructions supplied with your UVBWell device
  • Treat only the intended area of skin
  • Use the appropriate protective eyewear for every session
  • Keep sessions within the recommended duration
  • Do not increase exposure time because results are not immediate
  • Do not use a UVB device to tan the skin
  • Do not combine UVB treatment with tanning beds
  • Do not treat sunburned, broken, infected, or severely irritated skin unless instructed by a clinician
  • Keep a treatment record, including the date, treated area, session duration, and skin response

A measured, documented routine is safer than increasing exposure based on guesswork.

Eye Protection Is Required

Protective eyewear is essential during UVB phototherapy.

Always use the eye protection supplied with or recommended for your device. Do not look directly at the light source. Do not treat near the eyes unless you have received specific guidance from a qualified healthcare professional.

Ultraviolet light can harm the eyes without appropriate protection. Before each session, make sure your eyewear is clean, undamaged, and fitted correctly.

When to Pause Treatment

Stop treatment and contact a healthcare professional if you experience:

  • Painful redness or redness that lasts longer than expected
  • Burning, blistering, swelling, or significant tenderness
  • A new or worsening rash
  • Skin cracking, weeping, ulcers, or signs of infection
  • Unexpected changes in moles, spots, or other skin lesions
  • Eye discomfort, light sensitivity, or changes in vision
  • Any reaction that concerns you

Do not continue treatment through a significant skin reaction. Skin responses to UVB exposure may take several hours to fully develop.

Home Use Requires a Clear Plan

Home phototherapy can be convenient, but it should not become self-directed treatment without safeguards.

A responsible home-use routine includes:

  • A clear plan for starting exposure and treatment frequency
  • A plan for missed sessions
  • A plan for redness, irritation, or an unexpected reaction
  • Consistent use of protective eyewear
  • Regular review of your skin response
  • Communication with a healthcare professional when treatment needs to be adjusted

Keep your device instructions and treatment record together so that you can follow your routine consistently.

Sun Exposure During a UVB Treatment Course

UVB phototherapy adds ultraviolet exposure to the skin. Be mindful of additional sun exposure while you are following a treatment routine.

Avoid intentionally adding UV exposure through tanning beds or prolonged unprotected sun exposure. If you spend time outdoors, follow the sun-protection advice provided by your clinician.

If you experience sunburn or significant sun exposure between sessions, pause and seek guidance before your next treatment. This may affect whether your next session should be changed or delayed.

Pregnancy, Breastfeeding, and Children

UVB phototherapy may be considered in some circumstances during pregnancy, breastfeeding, or childhood, but treatment decisions should be individualized.

If you are pregnant, breastfeeding, trying to conceive, or considering UVB treatment for a child, speak with a qualified healthcare professional before starting or changing a treatment routine.

Choosing the Right UVBWell Device

UVBWell offers devices designed for different treatment areas, coverage needs, and use preferences. The right device depends on where you intend to treat, the size and location of the area, and the guidance you have received for your treatment plan.

If you are unsure which UVBWell device is appropriate for your needs, please contact us before placing an order.

Our team can provide general product information and help explain the practical differences between device formats. For questions about diagnosis, treatment suitability, dosing, medications, or skin reactions, please speak with a qualified healthcare professional.

Email: info@uvbwell.com
Shop devices: Explore UVBWell Devices

Important Notice

UVBWell provides general product education, device instructions, and customer support. UVBWell does not provide medical advice, diagnosis, individualized treatment recommendations, or dosing guidance.

Use UVBWell devices only in accordance with their instructions for use and appropriate professional guidance. If you have questions about whether UVB phototherapy is appropriate for you, consult a qualified healthcare professional before treatment.