No, a prescription is not required to use the KN-4003BL Kernel UVB Lamp, making it convenient and accessible for home use.

No, the LCD timer makes it easy to set and monitor your sessions.

The lamp helps reduce skin irritation, relieve itching, restore pigmentation, improve skin texture, and enhance overall skin health—all from the comfort of your home.

Yes, the KN-4003BL is designed for easy home use, with a user-friendly interface and clear instructions.

The KN-4003BL delivers clinical-grade narrowband UVB phototherapy, similar to what you’d receive at a dermatologist’s office. It’s a cost-effective, one-time investment that can reduce the need for frequent clinic visits and ongoing treatment costs.

Treatment frequency depends on your skin condition and your doctor’s advice. In general, it’s recommended to start with 2–3 sessions per week, allowing the skin to recover between treatments. Daily use is not usually necessary and may increase the risk of overexposure.

Yes, under proper supervision, the KN-4003BL can be safely used by both children and elderly individuals. However, treatment duration and frequency should be adjusted based on skin sensitivity and medical guidance.

Most sessions last just a few minutes, depending on your skin type, the area being treated, and how your skin responds to UVB light. Always follow the recommended exposure time in the user manual or as advised by a healthcare provider.

Yes, the lamp can be used on the face or sensitive skin, but it’s important to use protective goggles (included) and limit exposure time. Start with shorter sessions and increase gradually as your skin adjusts.

The average delivery time is 7 to 14 days, depending on your location and local shipping conditions. We strive to ship your order as quickly as possible and will provide a tracking number once your package is dispatched.

Yes, you can request a return within 14 days after receiving the product for a full refund. Please make sure the item is in its original condition and packaging.

Both 311nm and 308nm narrowband UVB therapies are clinically proven to treat conditions like vitiligo, psoriasis, and eczema. The main differences lie in the light source and how the treatment is delivered:

311nm UVB is typically delivered through fluorescent tube lamps (like the KN-4003BL). It provides uniform, broad-area exposure, making it ideal for treating larger skin regions and for regular home use.

308nm UVB is commonly used in excimer lamps and lasers. It offers highly targeted treatment, making it suitable for small, localized lesions or stubborn areas that require focused attention.

Both wavelengths are safe and effective. Choosing between them depends on your treatment needs—308nm may be preferred for precise targeting, while 311nm is often favored for ease of use and larger coverage in home settings.