Kernel KN4003BL2D Portable UVB Lamp for Psoriasis Treatment - Effective UVB Phototherapy Lamp for Scalp and Skin Psoriasis, Eczema, and Vitiligo

Product Highlights

[Effective UVB Light Therapy] This phototherapy UVB lamp is specifically designed for the treatment of psoriasis, eczema, and vitiligo, providing targeted UVB light therapy to alleviate symptoms and improve skin condition.
[Perfect for Scalp Psoriasis] Ideal for treating scalp psoriasis, this lamp delivers narrowband UVB light directly to affected areas with comb, making home treatment convenient and effective.
[Premium Quality with Philips Technology] Equipped with medical-grade Philips UVB lamp, this device offers reliable and durable performance, ensuring safe and effective treatment with 311 nm narrowband light recommended by dermatologists. 

Product Features

• Small size and light weight, convenient to carry
• Microcomputer timing function, improving treatment accuracy
• Equipped with comb, suitable for scalp treatment
• IP22 grade waterproof and dust-proof
• Built-in rechargeable battery, 100-240V worldwide
• Upgraded screen display comparing to KN4003BL
• One-year warranty for the entire machine, 500H for Light source

Treatment Guidelines for Phototherapy

Initial Dose & Incremental Adjustments

1. Vitiligo: 150-200 mJ/cm²
2. Psoriasis: 300 mJ/cm²

Body Areas and Dose Adjustments:

1. Face and Perineum: 150-180 mJ/cm²

   • Increment Adjustments:
     • No redness: +50-80 mJ/cm²
     • Redness lasting <12 hours: +30-50 mJ/cm²
     • Redness lasting 1 day: Maintain dose
     • Redness lasting >1 day: Reduce dose

2. Hand Palm and Foot: 400 mJ/cm²

   • Increment Adjustments:
     • No redness: +200 mJ/cm²

3. Trunk, Limbs: 200-250 mJ/cm²

   • Increment Adjustments:
     • No redness: +100 mJ/cm²
     • Redness lasting <12 hours: +50 mJ/cm²

Instruction for Use

Pre-Treatment Steps:

1. Bathing: Take a 15-20 minute bath to remove skin scales.

2. Determine MED: Minimum Erythema Dose (MED) must be calculated before treatment .Kernel KN4003BL2D Lamp Intensity: 4.5 mW/cm²

MED Formula: Irradiation Time (seconds)=Dose ×1000 / Lamp Intensity

Treatment Protocols

• Psoriasis:

  • Frequency: 3-4 times/week
  • Treatment Course: 15-20 sessions

• Vitiligo:

• Frequency: 2-3 times/week
• Treatment Course: 30-50 sessions or more

Dose Adjustment Guidelines:

A. No Erythema or Previous Erythema Resolved:

• Increase dose by 20-25%.

B. Mild Erythema:

• Maintain the same dose or increase by 10%.
• If resolved, follow "A."

C. Asymptomatic Shiny Erythema:

• Skip one treatment, then resume with the same dose.
• Gradually increase by 10% for subsequent sessions.

D. Painful Erythema with Edema or Blisters:

• Stop treatment until recovery.
• Resume at half the previous dose.

Business Transparency

Kernel, founded in 1997, is dedicated to research, development, and manufacturing in the high-tech medical equipment industry, with leading innovations in UV phototherapy devices, colposcopes, and PDT photodynamic therapy devices. Headquartered in Jiangsu, China, Kernel has offices in more than 30 countries and regions worldwide and is widely praised for its quality, effectiveness, and after-sales service. Kernel's products have been approved by the FDA, CE, and ISO 9001. Ahead of its peers in the medical equipment field, Kernel is also a supplier to the United Nations.

Comparison Chart

Product Model	KN4003BL	KN4003BL2D	KN4006B	KN4006BL1D	KN5000C
Name	Kernel Corded, Handheld UVB Lamp	Kernel Cordless, Portable UVB Lamp	Kernel Corded, Stationary Double UVB Lamps	Kernel Cordless, Portable Double UVB Lamps	Kernel Excimer Laser 308nm - Highest Intensity and Precision UVB Lamp
Application	Vitiligo, Psoriasis, Eczema, Pityriasis Rosea, Atopic dermatitis and Tinea Capitis				– Patients with a longer history of more severe conditions, such as Vitiligo, Psoriasis, Eczema, Pityriasis Rosea, Atopic dermatitis and Tinea Capitis. – And for who have not seen any improvement from other treatments.
Treatment Area	Scalp, Face, Neck, Arms and Legs		Larger Areas of Scalp, Face, Neck, Back and Limbs		Arms, elbows, armpits, knees, legs, feet and other body spots that other lamps are hard to reach.
Lamp Intensity	4.5mw/cm²	4.5mw/cm²	5.5mw/cm²	5.5mw/cm²	50mw/cm²
Treatment Size	8.5 in² ± 10%	8.5 in² ± 10%	16 in² ± 10%	16 in² ± 10%	3.1 in² ± 10%
Light Source	1 x Philips UVB Light 311nm ± 3nm	1 x Philips UVB Light 311nm ± 3nm	2 x Philips UVB Light 311nm ± 3nm	2 x Philips UVB Light 311nm ± 3nm	XeCl Excimer Laser 308nm ± 2nm
Treatment Speed	Fast	Fast	Fast	Fast	10X Fastest
Work Distance	1.18 in ± 0.20 in	1.18 in ± 0.20 in	1.18 in ± 0.20 in	1.18 in ± 0.20 in	1.18 in ± 0.20 in
Power source	Corded	Cordless, Built-in Rechargeable Battery	Corded	Cordless, Built-in Rechargeable Battery	Corded
Light Source Lifespan	≥ 500h	≥ 500h	≥ 500h	≥ 800h	≥ 500h
Package	UVB lamp, cord, UV-proof glasses, instruction	UVB lamp, charger, UV-proof glasses, instructions	UVB lamp and station, cord, UV-proof glasses and instruction	UVB lamp, distance holder, charger, UV-proof glasses, instructions and dust-proof pouch	Excimer Laser 308nm, cord, 6 x shades, UV-proof glasses, 1 x aluminum case and instructions