Picosecond laser is an advanced laser technology mainly used in dermatology and cosmetic treatments. Compared to traditional lasers, it has significant advantages. Here are its main features and functions:

-01-

Definition and Principle:

Picosecond laser is a type of laser technology, with each pulse of laser emission lasting at the picosecond level (1 picosecond = one trillionth of a second). Using the photo-mechanical principle, the laser penetrates from the epidermis to the dermis, releasing energy at the picosecond level, causing the target pigment clusters to shatter into dust, which is then expelled from the body through metabolic processes.

-02-

Specific Characteristics:

High Efficiency: Due to its extremely short pulse width, the picosecond laser can precisely target the desired tissue in a very short amount of time without affecting the surrounding normal tissue.

Safety: The picosecond laser primarily operates based on photo-mechanical effects rather than traditional thermal effects, enhancing its safety by reducing the risk of thermal damage to the skin.

Versatility: The picosecond laser can be used to treat a variety of skin issues, including tattoo removal, pigmented lesions (such as melasma and freckles), scar repair, and skin tightening.

Quick Recovery: After treatment, patients can usually resume their normal life and work quickly, minimizing inconvenience.

-03-

Advantages of Picosecond Laser Compared to Traditional Laser Technology:

• Shorter Pulse Width: The pulse width of the picosecond laser reaches the picosecond level (one trillionth of a second), allowing the laser energy to be released in an extremely short time, generating a strong photo-mechanical effect. This ultra-short pulse width reduces the risk of thermal damage while improving the accuracy and effectiveness of the treatment.
• Efficient Treatment Capability: The picosecond laser can quickly break down pigment particles and abnormal tissue, promoting skin self-repair and regeneration. It is highly effective for issues such as tattoo removal, pigmented lesions (like melasma and freckles), and scar repair.
• Fewer Side Effects: Since the picosecond laser’s effect is mainly based on photo-mechanical rather than traditional thermal effects, it has relatively fewer side effects. Patients typically do not experience significant redness, pain, or scarring after treatment, and recovery time is short.
• Wide Range of Applications: The picosecond laser can be used to treat various skin problems, including but not limited to tattoo removal, pigmented lesions, scar repair, skin tightening, large pores, and wrinkles. This makes it a very flexible and practical skin cosmetic tool.
• Personalized Treatment Plans: Picosecond laser technology allows doctors to tailor treatment plans according to the patient’s specific conditions and needs. Doctors can adjust laser parameters based on factors such as skin type, severity of the problem, and desired outcomes, ensuring more precise and effective treatment.
• Non-Invasive Treatment: The picosecond laser is a non-invasive treatment method that does not require skin incisions or surgery. Patients do not experience significant pain or discomfort during the treatment and do not need to worry about surgical risks and recovery time.
• Long-Term Effects: After picosecond laser treatment, patients can maintain long-term results. For some pigmented lesions and skin aging problems, a few sessions can lead to significant and lasting improvements.

-04-

Main Functions:

• Skin tightening and Spot Removal: Picosecond laser targets pigment particles on the skin surface, using high energy to break down melanin particles, thereby reducing spots. Additionally, the thermal effect generated by the laser stimulates the regeneration of elastic fibers and collagen fibers, resulting in skin rejuvenation.
• Treatment of Pigmented Lesions: Commonly used for various pigmented lesions, including melasma, and the removal of both warm and cool-colored tattoos.
• Skin Rejuvenation: Utilizing focusing technology, the laser energy can be amplified several tens of times, creating laser-induced optical breakdown in the dermis, which stimulates collagen regeneration and elastin fiber reorganization, achieving skin rejuvenation.

-05-

Precautions and Risks:

While the picosecond laser has many advantages, it is not suitable for everyone or for all skin problems. Patients should thoroughly understand their skin condition and needs before treatment, and make decisions under the guidance of a professional doctor. Additionally, it is crucial to choose a reputable medical cosmetic institution and experienced doctors for the treatment.

• After undergoing picosecond laser cosmetic treatment, potential side effects may include facial swelling, dry skin, blistering, recurrence of spots, and post-inflammatory hyperpigmentation.
• Consumers should consult and receive treatment at certified medical cosmetic institutions to avoid adverse outcomes caused by improper equipment or handling.

-06-

Duration of Effects:

The effects of picosecond laser treatment can last for a period of time, but the specific duration varies depending on individual differences, treatment area, and post-treatment care. In summary, picosecond laser is an advanced and effective cosmetic laser technology that offers various solutions for skin problems. However, before undergoing treatment, consumers should fully understand its principles, effects, risks, and precautions, and choose certified medical cosmetic institutions for treatment.