YUNDOO SKB-2118
YUNDOO IPL Hair Removal Device SKB-2118 User Manual
Model: SKB-2118
Brand: YUNDOO
1. Introduction
The YUNDOO SKB-2118 IPL Hair Removal Device is designed for effective and comfortable hair removal in a home setting. It incorporates advanced pulse light technology with a wavelength range of 590-1200nm, allowing for both hair reduction and skin care benefits. The device features a dual ice cooling system to minimize discomfort during use, providing a salon-grade experience.
This manual provides essential information on the device's components, setup, operation, maintenance, and safety precautions. Please read it thoroughly before using the device.

Image 1.1: The YUNDOO SKB-2118 IPL Hair Removal Device, white with gold accents.
2. Package Contents
Upon opening the package, please verify that all the following items are included:
- Hair Removal Device Body (SKB-2118) x 1
- Power Cord x 1
- Shaver x 1
- Protective Glasses x 1
- Japanese Instruction Manual x 1 (English translation provided in this document)

Image 2.1: The YUNDOO SKB-2118 device, power adapter, protective glasses, and shaver as included in the package.
3. Setup
Before first use, ensure the device is clean and ready for operation.
- Prepare the Skin: Shave the hair in the area you intend to treat using the provided shaver. Ensure the skin is clean and dry. Do not apply any gels or creams before treatment.
- Connect Power: Connect the power cord to the device and then plug it into a power outlet.
- Wear Protective Glasses: Always wear the protective glasses provided to shield your eyes from the intense light pulses.

Image 3.1: Visual guide showing the four steps of preparation: shaving, powering on, wearing protective glasses, and applying the device to the skin.
4. Operating Instructions
The YUNDOO SKB-2118 offers adjustable intensity levels and two operating modes for versatile use.
4.1 Power On and Intensity Adjustment
- Press and hold the power button to turn on the device.
- Adjust the irradiation level from 1 to 5 (MIN 6J to MAX 18J) according to your skin tone and hair type. It is recommended to start with a weaker level and gradually increase it.

Image 4.1: The device displaying its 5 intensity levels (8J to 20J) and illustrating manual and automatic modes for different body areas.
4.2 Operating Modes
- Continuous Mode (Automatic): Ideal for large areas like arms and legs. The device will automatically flash when in full contact with the skin, allowing for quick and stress-free treatment.
- Manual Mode: Suitable for precise treatment on smaller or sensitive areas such as the face, armpits, and bikini line (VIO). Press the flash button for each pulse.

Image 4.2: A user demonstrating the manual mode for facial areas and the automatic mode for larger body areas like the arm.
4.3 Application Areas
The device is suitable for full-body hair removal, including the face, armpits, arms, legs, and VIO area. The dual ice cooling technology ensures a comfortable experience even in sensitive regions.

Image 4.3: A man using the device on his face, with comparison images showing the skin before and after treatment, highlighting smoothness.
4.4 Treatment Schedule and Results
Consistent use is key for optimal results. Effects are typically visible within 4 weeks, with a hair reduction rate reaching 96% in 8 weeks. Full body hair removal can be achieved in 8-12 weeks. Individual results may vary.

Image 4.4: A visual representation of hair growth reduction over a 4-week period, showing significant decrease in hair density.
5. Technology and Features
5.1 Dual Ice Cooling Technology
The SKB-2118 utilizes an innovative dual ice cooling system that instantly lowers the skin surface temperature to 10℃ during treatment. This advanced cooling mechanism ensures a comfortable and virtually painless hair removal experience.

Image 5.1: A graph illustrating the rapid temperature drop on the skin surface to below 18°C within minutes of activating the cooling function on the SKB-2118.
5.2 Advanced IPL Technology
The device employs advanced IPL (Intense Pulsed Light) technology with a broad wavelength range of 590-1200nm. This wide spectrum ensures effective targeting of hair follicles from the epidermis to deeper layers, promoting thorough hair reduction and skin rejuvenation.

Image 5.2: A diagram illustrating the effective wavelength range of 590-1200nm used by the YUNDOO SKB-2118, showing its ability to target hair follicles at various depths.
5.3 High Flash Capacity
Equipped with a high-quality quartz lamp, the device provides a stable output of 990,000 flashes. This extensive flash capacity ensures a long lifespan, allowing for approximately 40 years of use for a single user or 18-20 years for 3-4 family members.
6. Maintenance
To ensure the longevity and optimal performance of your YUNDOO SKB-2118 device, follow these general maintenance guidelines:
- Cleaning: After each use, ensure the device is unplugged and cooled down. Gently wipe the flash window and the device body 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. Keep it in its original packaging or a protective case to prevent damage.
- Inspection: Periodically inspect the power cord for any signs of damage. If any damage is found, discontinue use and contact customer support.
7. Safety Information and Precautions
Adhere to the following safety guidelines to prevent injury and ensure proper device function:
- Always wear the provided protective glasses during operation.
- Do not use the device on tattoos, sunburned skin, moles, or during pregnancy.
- The device is not suitable for all skin tones and hair colors. Refer to the skin tone and hair color chart below to determine suitability.
- Ensure the device is in full contact with the skin before flashing to prevent light leakage.
- Do not use on broken, irritated, or infected skin.
- Keep out of reach of children.

Image 7.1: A visual guide indicating conditions where the device should not be used, including tattoos, sunburn, moles, pregnancy, and unsuitable skin/hair colors.
8. Troubleshooting
This section addresses common issues you might encounter with your YUNDOO SKB-2118 device. If you experience a problem not listed here, please contact customer support.
- Device not turning on: Ensure the power cord is securely connected to both the device and a working power outlet.
- No flash: Ensure the flash window is in full contact with the skin. The device has a skin contact sensor that prevents flashing if not properly applied. Check if the device is in the correct operating mode (manual or continuous).
- Device feels too hot: While the device has a cooling system, prolonged use or use in a hot environment might cause it to warm up. Allow the device to cool down before resuming use. If the cooling function is not working, contact support.
- Skin irritation after use: Ensure you are using the correct intensity level for your skin type. Always perform a patch test on a small area before treating a larger area. If irritation persists, discontinue use and consult a dermatologist.
9. Specifications
| Feature | Specification |
|---|---|
| Model Name | SKB-2118 |
| Product Size | 6 x 4 x 17 cm |
| Product Weight | 235 g |
| Target Gender | Unisex |
| Color | White |
| Flash Capacity | 990,000 flashes |
| Irradiation Levels | 5 levels (MIN 6J to MAX 18J) |
| Wavelength Range | 590-1200nm |
| Cooling Technology | Dual Ice Cooling (down to 10℃) |
| Power Source | Corded Electric |
| Features | Portable, Lightweight, High Efficiency |
| Certifications | PSE Certified |

Image 9.1: The YUNDOO SKB-2118 device shown next to a smartphone for size comparison, highlighting its compact and portable design.
10. Warranty and Support
Your YUNDOO SKB-2118 device comes with comprehensive warranty and support services:
- 30-Day Return Guarantee: We offer a 30-day no-questions-asked return policy from the date of purchase.
- 2-Year Manufacturer Warranty: The device is covered by a 2-year warranty from the date of purchase, ensuring peace of mind.
- Customer Support: If you encounter any issues or have questions regarding the product, please contact us through your order history page on Amazon. Navigate to "Order History" and then "Contact Seller."

Image 10.1: A certificate indicating PSE safety certification for the YUNDOO hair removal device, ensuring compliance with safety standards.
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