Wrinkle removal By Laser and skin tightening— Non-Ablative Fractional Resurfacing
Wrinkle removal by Laser special, the non-ablative fractional laser, such as Fraxel, offers a great non-aggressive laser treatment to improve skin texture and quality and erase wrinkle via skin surfacing. This type of laser can be combined with other lasers such as Q-switch nan0-second laser to treat pigmentation and vascularity.
The fractional non-ablative laser rejuvenates the skin through including college synthesis and remodeling without damaging the epidermis. The downtime of such laser procedure is significantly shorter than ablative laser such as CO2. The Fraxel Dual equipped with Thallium glass laser and fractional hand is the gold standard in skin tightening and wrinkle removal treatment.
One of the main characteristics of the photoaged skin is wrinkles. after chronic exposure to sun, skin structure get changed over time, histologically. Some of the features are Thin cellular epidermis, loss of skin elastic recoil due to the reduced dermal extracellular matrix, a significant decrease in the structural protein such as elastin and collagen. The advantage of using the non-ablative laser is the ability to stimulate the skin resurfacing and collagen production without damaging the stratum corneum.
The fractional laser stimulates the skin by creating microthermal treatment zones (MTZs) as deep as 2 cm, to the reticular dermis. These MTZs are in the shape of columns and serves as coagulation points. The untreated tissue areas between the MTZs supply the regenerative cells that are the cornerstone of collagen remodeling and skin resurfacing.
Chromophores for laser varies according to the type of laser used. Some wavelengths are best absorbed by water, where others are absorbed by melanin and oxyhemoglobin chromophores. The objective is the same for all laser wavelength, heating the skin to different degrees, creating coagulation points and producing micro wondering investment in order to stimulate the fibroblast and collagen remodeling.
Fraxel dual offers two different wavelengths 1550 and 1927. The depth of penetration of these lasers is also based on their affinity for water where shorter wavelengths such as 1550 nm have lower water absorption and deeper cutaneous penetration, which is associated with more significant dermal effects such as collagen remodeling and reduction of dermal dyschromia such as melasma. Longer wavelengths such as 1927 nm have higher water absorption with more superficial penetration and are used for the treatment of epidermal pigmented lesions such as lentigines and ephelides.
Fraxel can be used with all kind of wrinkle removal treatment with all skin type, with extra care applied in the darker skin due to the higher risk of having PIH.
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