Treatment solutions for scars

Scar Treatment

Some information you should to know

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Causes of scar formation
1.Degree of Skin Damage
When trauma involves the deep dermis and below, the normal structure and repair mechanisms of the skin are disrupted. Fibroblasts proliferate excessively and synthesize large amounts of collagen, leading to excessive scar tissue growth. For example, deep burns, lacerations, surgical incisions, and other deep injuries, as well as large areas of skin loss, are more likely to form noticeable scars.

2.Wound Infection
When a wound becomes infected, the inflammatory response persists, stimulating fibroblasts to become overactive and secrete excessive collagen. This disrupts the normal wound healing process, prolonging healing time and increasing the risk of hypertrophic scarring. For example, the likelihood of hypertrophic scarring is significantly increased after a burn wound becomes infected.

3.Individual Constitutional Factors
Scar-prone constitution: Some people are naturally prone to an overreaction to skin damage repair, with enhanced fibroblast activity and an imbalance between collagen synthesis and degradation. Even minor injuries can lead to noticeable scars, and the risk of recurrence after surgical removal is high.

Age and Hormone Levels: Young people have a faster metabolism and higher hormone levels, resulting in a relatively higher risk of scar hyperplasia. Hormonal changes during pregnancy and adolescence can also affect scar formation.

Race and Skin Color: People of color (such as Black and Asians) are more prone to developing noticeable scars than Caucasians, possibly due to differences in melanin distribution and collagen arrangement.

4.Wound Location and Tension
Wounds in areas with high skin tension or frequent movement, such as around joints, the neck, chest, and shoulders, experience stronger traction during healing, which can promote scar tissue proliferation. For example, wounds around joints are prone to scar thickening and proliferation due to constant traction from joint movement, thus affecting joint mobility.

6.Other factors:
Certain diseases (such as diabetes and immune system diseases) affect the ability of wound healing and increase the risk of scar formation; long-term use of certain medications (such as hormone drugs) may also affect scar formation.
The principles of scar treatment
Scar formation ultimately stems from skin damage, specifically extensive damage to the epidermal basal layer or the dermis. Fractional laser photothermal stimulation treatment for acne-related atrophic scars creates micro-thermal lesion zones (MTZs). Each MTZ is surrounded by intact skin, allowing keratinocytes from this normal skin to migrate rapidly, accelerating collagen formation and the re-epithelialization healing process. The MTZ surface has a thin scab, surrounded by irreversible coagulation and necrosis. Around the coagulation zone is a reversible, non-necrotic heating layer, reaching temperatures of 55-62°C, causing immediate collagen contraction in the dermis. Through collagen contraction, regeneration, and remodeling, scar repair ultimately forms a new, orderly tissue structure.

1. Thermal Damage and Stimulation Repair
The laser beam acts on the skin in a fractional pattern, creating tiny thermal damage zones. These zones stimulate the skin's self-repair mechanisms, promoting fibroblast activation, releasing growth factors, and accelerating cell proliferation and collagen synthesis.

2. Collagen Remodeling and Regeneration
Healthy tissue surrounding the thermal damage zones releases growth factors, promoting the production of new collagen and elastin fibers. Simultaneously, it breaks down and metabolizes aged scar tissue, allowing collagen fibers to rearrange and improving scar hardness and thickness.

3. Epidermal Regeneration and Smoothing
After fractional laser treatment, the damaged areas of the epidermis gradually slough off, and new epidermal cells grow, making the scar surface smoother, reducing depressions or protrusions, and improving the appearance of the scar.

4. Precise Control and Minimally Invasive Repair
The fractional mode allows for precise control of the laser's depth and range of action, avoiding large-area damage to surrounding normal tissue while preserving surrounding healthy tissue as a "bridge" for repair, promoting rapid epidermal healing.
Common types
1.Superficial Scars (Flat Scars)
Characteristics: Smooth surface, slightly darker or lighter in color, generally flush with the surrounding skin.
Common Causes: Minor abrasions, superficial burns, after acne has healed.
Prognosis: Over time (6-12 months), most scars will gradually fade to near normal skin color.

2.Hypertrophic Scars
Characteristics: The scar protrudes above the skin surface, is red or dark red, has a firm texture, and may be accompanied by itching or pain.
Key Features: Extends beyond the original wound area and may slowly flatten over time.
Common Causes: Surgical incisions, deep burns, and recurrently infected wounds.

3. Keloids
Characteristics: The keloid proliferates and expands outward, forming a "crab-like" protrusion. It is hard in texture and often accompanied by significant pain and itching.
Key features: The keloid extends beyond the original injury area, continues to grow, and is difficult to resolve spontaneously.
High-risk groups: Individuals with a genetic predisposition (family history), and those in areas of high tension such as the chest, back, and shoulders.

4. Atrophic Scars
Characteristics: The scar is sunken, below the skin level, thin and shiny, and may be accompanied by hypopigmentation.
Common Causes: Acne (pimples), chickenpox after healing, or poor healing of severe skin infections.
Typical Appearance: "Acne pits," the most common type of atrophic scar.

5.Contracture scars
Characteristics: Scar contraction causes the skin to tighten, which may affect joint movement or facial function (such as ectropion).

Advantages of Scar Treatment

1. Precise Targeting
The laser uses a tiny beam of light to precisely target scar tissue, avoiding damage to surrounding healthy skin and reducing side effects. It is especially suitable for treating scars on sensitive areas such as the face.

2. Stimulates Collagen Regeneration
Through a thermal effect, the laser stimulates the skin to produce new collagen, fundamentally improving scar texture, gradually flattening and softening the scar, and making its color closer to normal skin. Long-term results are stable.

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3. Minimally Invasive and Fast Recovery
Compared to traditional surgery, it is less invasive and has a shorter recovery time. After treatment, a tiny thermal damage zone forms on the skin surface, typically recovering to a normal appearance within 3-6 days, without affecting daily life.

4. Wide Applicability
It can treat various types of scars, including hypertrophic scars, atrophic scars (such as acne scars), surgical scars, burn scars, etc., and can also improve symptoms such as itching and pain caused by scars.

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5. Personalized Treatment
Doctors can adjust laser parameters according to the type and depth of the scar and the patient's needs to develop a personalized treatment plan, improving treatment effectiveness.

6. High safety
After years of clinical verification, it has proven to be safe and reliable with few adverse reactions. For example, redness and swelling, pigmentation, etc. are mostly temporary phenomena, and strict postoperative care can further reduce the risk.

Solutions

BVLASER offers a range of ablative (CO2 laser, 2940 erbium laser) and non-ablative (1550 erbium laser, 1927 thulium laser) fractional laser resurfacing solutions to treat scars of varying degrees. The device's unique layered treatment mode allows for precise thermal stimulation of different skin layers and can treat various severely damaged skin lesions requiring synergistic coagulation and ablation for advanced resurfacing. With its extremely small beam diameter and short pulse width, it delivers high-energy pulses at low density, suitable for treating a variety of scars. BVLASER's CO2 fractional laser uses a unique ablation/coagulation technology to emit powerful pulses that reach the dermis in a single pulse, enabling physicians to better repair hypertrophic scars and keloids. The unique layered fractional mode can improve the structure of deep contractile lesions, maximizing treatment goals, minimizing thermal damage, and resulting in more significant treatment effects.