1. Introduction
The RENPHO 4D Red Light Therapy Mask (Model E100B) is designed to provide targeted light therapy for facial skincare. This cordless device features 324 medical-grade LEDs and offers three distinct light modes to address various skin concerns, including reducing the appearance of wrinkles and managing mild to moderate inflammatory acne. Crafted from ultra-light, skin-friendly silicone, the mask is designed for comfortable and convenient use at home or while traveling.
2. Safety Information
- Do not immerse the device in water or other liquids.
- The effectiveness and sensation of this LED light mask may vary based on individual skin tone.
- This product is not recommended for individuals with darker skin tones or tanned skin, as it may absorb more light energy, potentially leading to discomfort or adverse effects.
- Prior to initial use, carefully read the entire user manual to ensure a safe and effective experience.
- Statements regarding dietary supplements have not been evaluated by the FDA and are not intended to diagnose, treat, cure, or prevent any disease or health condition.
3. Package Contents
Verify that all items are present in the package:
- RENPHO 4D Red Light Therapy Mask
- Controller
- USB Charging Cable
- Adjustable Head Strap
- Protective Eye Cups
- User Manual

Image: The RENPHO 4D Red Light Therapy Mask, controller, USB charging cable, and protective eye cups laid out in their packaging.
4. Product Overview
Design and Coverage
The RENPHO 4D Red Light Therapy Mask features 324 high-density medical-grade LEDs and a contoured design for full face and jawline coverage. Its ultra-light, skin-friendly silicone construction ensures comfort during use.

Image: A person holding the RENPHO 4D Red Light Therapy Mask, which is illuminated with red LEDs, highlighting its full face coverage.
Light Modes and Intensities
The mask offers three targeted light therapy modes and five adjustable intensity levels:
- Mode 1: Red + Infrared Light (630nm Red, 850nm Infrared) - Indicated for helping reduce full-face wrinkles and restoring skin elasticity.
- Mode 2: Blue Light (415nm) - Indicated for the mild to moderate inflammatory acne management, reducing inflammation and repairing skin scars.
- Mode 3: Mixed Light (Red + Blue + Infrared) - Provides an all-in-one treatment for acne management, deep repair, and promoting radiant, balanced skin.

Image: A cross-section diagram of skin showing the penetration depth of Red Light (630nm), Blue Light (415nm), and Infrared Light (850nm) for anti-wrinkle, anti-blemish, and total recovery effects, respectively.

Image: The mask's controller showing five adjustable light intensity levels and options for 10, 20, or 30-minute timers.
Cordless Operation
The mask is cordless, powered by a 2000mAh long-lasting lithium-ion battery (included), allowing for flexible use while reading, working, or relaxing.
5. Setup
- Charge the Controller: Connect the USB charging cable to the controller and a power source. Ensure the controller is fully charged before first use.
- Attach Eye Cups: Insert the protective eye cups into the designated slots on the mask to shield your eyes from direct light exposure.
- Adjust Head Strap: Attach and adjust the head strap to ensure a comfortable and secure fit around your head, keeping the mask in place.
- Connect Mask to Controller: Plug the mask's cable securely into the controller.
6. Operating Instructions
- Cleanse Skin: Begin with clean, dry skin. Remove all makeup and skincare products before using the mask.
- Wear the Mask: Place the mask comfortably on your face, ensuring the protective eye cups are correctly positioned over your eyes. Adjust the head strap for a snug fit.
- Power On and Select Mode: Press and hold the power button on the controller to turn on the device. Use the mode selection button to cycle through the Red + Infrared, Blue, and Mixed light modes.
- Adjust Intensity: Use the intensity buttons on the controller to select your desired light intensity level (1-5).
- Set Timer: Select a treatment duration of 10, 20, or 30 minutes using the timer function. The device will automatically shut off once the session is complete.
- Hydrate After Use: After your session, apply your preferred moisturizer or serum to your skin.

Image: A visual guide demonstrating the four steps of using the mask: 1. Cleanse skin, 2. Wear the mask comfortably, 3. Connect & power on, 4. Hydrate after use.
Portability and Convenience
The cordless design allows for use in various settings, including during travel, in the bedroom, office, or while performing household tasks.

Image: A collage showing the mask being used in different environments, emphasizing its portability and hands-free operation.
Official Product Videos
Video: An official product video titled "Red Light Therapy for Face: Wrinkle & Acne Care" by Smartindex, demonstrating the mask's features and benefits for skin treatment.
Video: An official product video titled "RENPHO LED Red Light Therapy Mask - Artemis' Secret" by Smartindex, showcasing the mask's design and various light modes.
7. Maintenance
To maintain hygiene and prolong the life of your mask:
- Wipe the mask's silicone surface with a soft, damp cloth after each use.
- Do not use abrasive cleaners or harsh chemicals.
- Ensure the mask is completely dry before storing.
- Store the mask in a cool, dry place away from direct sunlight.
8. Troubleshooting
If you encounter issues with your RENPHO 4D Red Light Therapy Mask, consider the following:
- Device Not Powering On: Ensure the controller is fully charged. Check that the mask's cable is securely connected to the controller.
- Lights Not Illuminating: Verify the device is powered on and a light mode is selected. Check for any visible damage to the LEDs or connections.
- Discomfort During Use: Re-read the safety information regarding skin tone recommendations. Ensure the eye cups are properly positioned. Reduce the intensity level if discomfort persists.
For further assistance, please refer to the full user manual or contact RENPHO customer support.
9. Specifications
| Feature | Detail |
|---|---|
| Item Model Number | E100B |
| LED Count | 324 Medical-grade LEDs |
| Light Modes | 3 (Red + Infrared, Blue, Mixed) |
| Light Intensities | 5 Adjustable Levels |
| Battery | 1 Lithium Ion battery (included), 2000mAh |
| Product Weight | 6.4 ounces (185g) |
| Material | Skin-friendly Soft Silicone |
| Product Benefits | Anti Acne, Brightening, Firming, Rejuvenating, Wrinkles Treatment |
| Skin Type | All (with caution for darker/tanned skin tones) |
10. Warranty and Support
For warranty information or customer support, please refer to the contact details provided in your product packaging or visit the official RENPHO website. Keep your purchase receipt for warranty claims.





