Product Description:

The working principle of laser hair removal is based on selective photothermal effect, which uses laser energy of a specific wavelength to target the melanin in the hair follicles, converting light energy into heat energy, thereby destroying the hair follicles and inhibiting hair regeneration.

Working principle

- **808nm**: Well-balanced, suitable for most skin and hair types.
- **755nm**: Ideal for light skin and fine hair, with high absorption and fast treatment.
- **940nm**: Deeper penetration, suitable for dark skin and deep hair follicles.
- **1064nm**: Deepest penetration, high safety, suitable for dark skin and coarser hair.

The water circulation system in laser hair removal equipment plays an important role in maintaining the stability and effectiveness of the machine.

### 1. **Effective heat dissipation**
- **Prevent equipment from overheating**: Laser equipment generates a lot of heat when operating at high power. The water circulation system can continuously take away the heat inside the equipment, prevent the equipment from overheating, and extend the service life of the machine.
- **KEEP LASER OUTPUT STABLE**: Stable temperature control helps keep the laser's output power stable, ensuring consistent results every time you treat.

### 2. **Improve treatment safety**
- **Protect patient's skin**: The water circulation system helps to maintain the low temperature of the treatment head and prevent skin burns caused by laser heat during treatment. Patients experience more comfort and less discomfort.
- **Enhanced cooling effect**: The cooling system combined with water circulation can significantly improve the cooling effect of the epidermis, reduce the risk of thermal damage and improve the safety of treatment.

### 3. **Extend equipment life**
- **Reduce equipment wear**: Effective water circulation can keep equipment operating within the optimal temperature range, reduce component aging or damage caused by overheating, and reduce maintenance and repair costs.
- **Extended laser life**: The laser works at a suitable temperature, which reduces the damage to the laser caused by temperature fluctuations and extends the service life of the laser.

### 4. **Improve work efficiency**
- **Continuous Working Capability**: The water circulation system allows the laser equipment to operate continuously for a long time without the need for frequent shutdowns for cooling due to overheating, thus improving work efficiency.
- **REDUCED DOWNTIME**: With good temperature management, the probability of equipment failure is reduced, reducing unplanned downtime and work interruptions due to overheating.

Product details:

808NM VS 940NM

- **808nm (semiconductor laser)**
- **Features**: The 808nm wavelength is the most widely used in laser hair removal, with good penetration depth and balanced melanin absorption rate. It can effectively penetrate the surface of the skin, reach the hair follicles, destroy the hair follicle structure, and inhibit hair regeneration.
- **Applicable people**: Suitable for most skin colors and hair types, especially light to medium-toned skin, and medium to darker hair.

- **940nm (semiconductor laser)**
- **Features**: Compared with 808nm, the 940nm wavelength laser has a deeper penetration depth. In addition to targeting melanin, it can also act on the vascular structure around the hair follicles, further inhibiting hair regeneration. This wavelength is more friendly to dark skin and reduces the risk of pigmentation.
- **Applicable people**: More suitable for dark skin and deeper hair, suitable for patients with dense hair areas or high pigment content.

Technical Parameters:

Applications:

### **Safety of laser hair removal**

1. **Equipment quality and operation**

- **Regular equipment**: Choosing a certified, high-quality laser hair removal device can reduce the risk of adverse reactions. Modern laser devices are usually equipped with a cooling system to protect the skin from overheating.

- **Professional operation**: Operated by trained professionals, they can ensure that the laser energy settings and treatment plans are suitable for the patient's skin color and hair type, reducing the possibility of side effects.

2. **Cooling technology**

- **Skin protection**: Many laser hair removal devices are equipped with cooling systems (such as sapphire cooling windows or cold air jets) to help reduce discomfort during treatment and protect the surface of the skin.

3. **Skin type and hair**

- **Personalized adjustment**: Modern devices allow the laser wavelength and energy settings to be adjusted according to skin type and hair color, thereby improving safety and effectiveness.

Company profile: