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Portable 311nm UV Psoriasis Skin Care Vitiligo Cream Treatment UV Light Lamp 308nm Devices Phototherapy Unit

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  • Shipping Timeframes: All orders are processed within 2-5 business days (excluding weekends and holidays). After your order has been processed, the estimated delivery time is before 03 Feb, 2026, depending on customs, Please note that due to high demand, some items may experience longer shipping times, which will be communicated at order confirmation email.
  • Order Processing Time: Please allow 2-5 business days for us to process your order before it is shipped . Orders placed after 16:00 on Fridays, or during weekends and public holidays, will begin processing on the next business day. Processing times may be extended during peak seasons or sales events.
  • Manufacturing Time: Some products needs manufacturing time, the manufacturing process will take approximately 10-30 business days depending on the product. This timeframe may vary depending on the complexity of the product and current demand. but this will be communicated with you during order confirmation.
  • Returns and Exchanges: We offer a 30-day return policy for most items. If you are not completely satisfied with your purchase, you may return it within 30 days of receipt for a refund or exchange. Items must be unused, in their original packaging, and accompanied by proof of purchase. Return shipping costs are the responsibility of the customer, unless the item was damaged or defective upon arrival.
1. What wavelength does this device use — 311nm or 308nm?

The unit is a narrowband UVB phototherapy device described around 311 nm (commonly referred to as 311nm narrowband UVB). The product listing also references 308nm in the name; if you need a specific certified wavelength for medical use, confirm with the seller or Yonker before purchase.

2. What skin conditions is this phototherapy unit intended to treat?

The device is marketed for management of psoriasis, vitiligo, herpes, and eczema. The listing also mentions 'silver carp' which appears to be a mistranslation — consult the manufacturer or your dermatologist for appropriate indications.

3. Is this device safe to use at home?

The unit is a Class II instrument designed for home use, but phototherapy can carry risks. Always read the user manual, wear proper eye protection, follow recommended exposure guidelines, and consult a dermatologist before beginning self-treatment.

4. What is the recommended working distance and how important is it?

The specified working distance is 3 ± 0.5 cm. Maintaining the correct distance is important for delivering the intended dose and obtaining consistent results. Use the spacing guidance in the manual or as recommended by your clinician.

5. How should I start my first treatment session?

Before first use, read the manual and consult your dermatologist. Typically start with a short exposure or a low prescribed dose (patch test area), wear protective goggles, monitor the skin response for 24–48 hours, and only increase exposure per medical guidance.

6. Are eye protection and other safety precautions required?

Yes. Direct exposure to UV can damage the eyes and skin. Always wear appropriate UV-blocking goggles, cover or shield non-treated skin, avoid looking at the lamp, and do not exceed recommended exposure times.

7. Can I use this device if I take photosensitizing medication?

Many medications increase sensitivity to UV light. If you are taking any drugs (including antibiotics, retinoids, or certain herbal supplements), check with your prescribing clinician before using UV phototherapy.

8. What are common side effects?

Possible side effects include redness, itching, blistering, tanning, dry skin, or temporary worsening of symptoms. Serious reactions are uncommon but possible. Stop treatment and consult a healthcare provider if you experience severe irritation or blistering.

9. What are the device specifications I should know?

Model: YK-6000 (Brand Yonker). Size: 276 × 53 × 45 mm. Weight: 1.21 kg. Working voltage: 110V or 220V, Frequency: 50 Hz. Working distance: 3 ± 0.5 cm. Single package size: 40 × 25 × 10 cm; gross weight ~2.0 kg.

10. Is there a warranty or certification for this product?

The product description lists it as a Class II instrument, but specific certifications (CE, FDA, ISO) and warranty terms are not provided in the listing. Contact Yonker or the seller for documentation and warranty details before purchase.

11. How do I clean and store the device?

Unplug the device before cleaning. Wipe the exterior and lamp cover gently with a soft, dry or slightly damp cloth; do not allow liquids to enter the unit. Store in a cool, dry place away from direct sunlight and extreme temperatures.

12. Can children or pregnant people use this device?

Use in children or during pregnancy should only be done under direct medical supervision. Consult a pediatrician or obstetrician familiar with phototherapy before use.

13. Can I use topical creams (like corticosteroids or calcineurin inhibitors) with phototherapy?

Many topical treatments are used in combination with phototherapy, but some topicals or photosensitizing agents can alter UV response. Discuss your topical regimen with your dermatologist to ensure safe and effective combined use.

14. What is included in the package and are replacement lamps available?

The listing indicates a single item is sold; specific accessories (power cord, goggles, manual) may vary. Replacement lamps or spare parts are not specified — contact the seller or Yonker for available accessories and replacement parts.

15. What should I do if the device causes an adverse reaction?

Stop using the device immediately, protect the area from further UV exposure, and seek medical advice. For severe reactions (large blisters, intense pain, signs of infection) seek urgent medical attention.

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