1. Introduction
Welcome to your YUNDOO IPL Sapphire Hair Removal Device FZ-608LBS. This manual provides essential information for the safe and effective use of your device. Please read it thoroughly before operation and keep it for future reference.
2. Safety Information
This device is designed for home use. Always follow safety precautions to prevent injury or damage.
Important Safeguards:
- Do not use on tattoos, skin diseases, sunburned skin, or around the eyes, lips, or mucous membranes.
- Not recommended for pregnant individuals.
- Keep out of reach of children.
- Consult a doctor if you have any pre-existing skin conditions or concerns.
- Always wear protective eyewear during use.
- Start with the lowest intensity level and gradually increase as tolerated.
3. Product Overview
The YUNDOO FZ-608LBS is an advanced IPL (Intense Pulsed Light) hair removal device featuring sapphire cooling technology and multiple functions for comprehensive skin care.
Key Features:
- Sapphire Cooling Technology: Cools skin to 4°C during treatment for a comfortable, painless experience.
- Flat Sapphire Head Design: Ensures direct contact with the skin, enhancing energy absorption by hair follicles for up to 30% improved effectiveness.
- 3-in-1 Multifunctionality: Includes HR (Hair Removal), SR (Skin Rejuvenation), and RA (Acne Care) modes.
- 9 Intensity Levels: Adjustable settings from 7.4J to 19.3J to suit different skin types and body areas.
- High Flash Count: Provides approximately 990,000 flashes, suitable for long-term use by multiple individuals.
- Large LED Touch Screen: Intuitive interface for easy operation, displaying level, remaining flashes, and mode.
- Manual and Automatic Modes: Offers flexibility for precise treatment or faster coverage.

Image: The YUNDOO IPL Sapphire Hair Removal Device FZ-608LBS, showcasing its sleek design and sapphire cooling window.
4. Setup
- Prepare the Device: Unpack the device and ensure all components are present.
- Connect Power: Plug the power cord into the device and then into a suitable electrical outlet.
- Power On: Press the power button to turn on the device. The LED touch screen will illuminate.
5. Operating Instructions
5.1. Pre-Treatment Preparation:
- Shave the Area: Shave the hair in the treatment area before each session. Do not wax or pluck.
- Clean Skin: Ensure the skin is clean, dry, and free of any lotions, oils, or deodorants.
- Wear Protective Eyewear: Always wear the provided protective glasses to shield your eyes from the intense light.

Image: Illustration of pre-treatment steps: shaving the area, connecting power, and wearing protective goggles.
5.2. Selecting Mode and Intensity:
The device offers three modes and nine intensity levels. Use the touch screen to select the desired mode and adjust the intensity.
Modes:
- HR (Hair Removal) Mode: Targets hair follicles to inhibit hair growth.
- SR (Skin Rejuvenation) Mode: Promotes collagen production for improved skin elasticity.
- RA (Acne Care) Mode: Activates skin and shrinks sebaceous glands to reduce acne.
Intensity Levels:
There are 9 intensity levels, from Level 1 (7.4J) to Level 9 (19.3J). Begin with Level 1 and gradually increase based on your comfort and skin reaction.

Image: Visual representation of the 9 adjustable intensity levels and their corresponding energy output in Joules.
5.3. Application:
Place the device's flat sapphire head firmly against the skin at a 90-degree angle.
Operating Modes:
- Manual Mode: Press the flash button for single flashes, ideal for small or sensitive areas like the face, armpits, or VIO.
- Automatic Mode: Hold the flash button for continuous flashes, suitable for larger areas like legs or arms.

Image: Diagram illustrating the application areas for hair removal and the difference between manual and automatic flash modes.
5.4. Recommended Usage Schedule (HR Mode):
| Period | Frequency | Expected Outcome |
|---|---|---|
| Weeks 1-2 | 3-4 times per week | Hair growth begins to slow. |
| Weeks 2-3 | 2-3 times per week | Hair becomes finer and sparser. |
| Week 4 onwards | 1-2 times per month | Significant reduction in hair, smooth skin. |
Individual results may vary. Consistent use according to the hair growth cycle is key for optimal results.

Image: Visual timeline demonstrating the progressive results of Hair Removal (HR), Skin Rejuvenation (SC), and Acne Care (RA) modes over a 4-week period.
6. Maintenance
- Cleaning: After each use, wipe the sapphire window with a soft, dry cloth. Do not use abrasive cleaners or immerse the device in water.
- Storage: Store the device in a cool, dry place, away from direct sunlight and moisture.
7. Troubleshooting
Common Issues and Solutions:
- Device not turning on: Ensure the power cord is securely connected to both the device and the power outlet.
- No flash: Ensure the device head is in full contact with the skin. The device has a skin contact sensor for safety.
- Skin irritation: Reduce the intensity level. If irritation persists, discontinue use and consult a healthcare professional.
- Ineffective results: Ensure you are using the correct intensity level for your skin and hair type. Consistent use according to the recommended schedule is crucial.
8. Specifications
| Feature | Detail |
|---|---|
| Brand | YUNDOO |
| Model Number | FZ-608LBS |
| Color | Rose Gold |
| Power Source | Corded Electric |
| Flash Count | Approx. 990,000 |
| Intensity Levels | 9 levels (7.4J - 19.3J) |
| Wavelength Range | 530-1200nm |
| Cooling Temperature | Cools skin to 4°C |
| Recommended Use Areas | Face, beard, armpits, arms, back, legs, VIO (avoid eyes, lips, mucous membranes) |
9. Warranty and Support
Warranty:
This product comes with a 2-year warranty from the date of purchase. A 30-day no-questions-asked return guarantee is also provided.
Contact Support:
For any questions, technical assistance, or warranty claims, please contact YUNDOO customer support. Refer to the product packaging or the official YUNDOO website for contact details.
10. Skin and Hair Type Compatibility
The YUNDOO IPL device is effective on a range of skin tones and hair colors. It is most effective on lighter skin tones with darker hair. Please refer to the chart below to determine if this device is suitable for your skin and hair type.

Image: Chart illustrating compatible skin tones and hair colors for effective IPL treatment. Darker skin tones and very light hair colors are typically not suitable.