Getting Started

Setup, safety checks, and power-on guidance

During Treatment

Mode, Comfort, brightness, distance, and treatment guidance

After Treatment

Skin reactions, comfort tips, and result expectations

Care & Maintenance

Optimal usage, cleaning, storage, and physical device care

Customer Support Guide

When to Contact Support

Usage Recommendations

Important Notes

  1. Read Manual Before Use
    Follow the recommended usage frequency, mode duration, distance guidance, and safety instructions.
  2. Wear Protective Goggles
    Always wear the provided protective goggles during treatment and avoid looking directly at the LED lights.
  3. Use on Clean Skin
    Remove makeup and make sure your skin is clean and dry before each session.
  4. Stop if Uncomfortable
    Stop using the device if you feel burning, pain, strong heat, or unusual irritation. Consult a dermatologist or healthcare professional if discomfort continues.
  5. Avoid Irritating Products
    Avoid using retinol, strong acids, whitening products, or other irritating/photosensitive skincare before treatment.
  6. Keep Device Dry
    Do not rinse the device with water or use it in the bathroom, shower, or other humid environments.

Best Practices

  1. Follow a Consistent Routine
    Use JD20U 3–5 times per week. Do not use it every day, as your skin needs time to respond and recover.
  2. Choose the Right Mode
    Use M01 Acne Defense Mode for acne-prone skin, M02 Anti-Wrinkle Recovery Mode for firmness and wrinkle care, or M03 Dual Care Mode for combined acne and wrinkle care.
  3. Keep the Right Distance
    Position the device about 10–20 cm away from your skin. If your skin is sensitive, start from a slightly longer distance.
  4. Control Session Time
    Try to keep each session within 20 minutes and do not exceed 30 minutes.
  5. Use Properly During Treatment
    Hold the device perpendicular to the treatment area and keep it still. Do not move it back and forth directly on the skin.
  6. Hydrate and Protect After Treatment
    Apply gentle hydrating skincare after use. Avoid direct sun exposure and use SPF 30+ sunscreen or physical protection when going outside.
  7. Clean and Store Properly
    Gently clean the device after use and store it in a cool, dry place.

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