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MELASMA
WHAT IS MELASMA
Melasma is a common skin problem that is also known as 'chloasma'. It causes brown patches on the face; most commonly appearing on the cheeks, bridge of the nose, forehead, chin, and above the upper lip. It also can appear on other parts of the body that get lots of sun. Hormone changes along with sun exposure are the most common triggers for melasma. Although melasma may affect both men and women, the majority of those affected are women. Individuals of Latin or Asian ethnicity are also more likely to get melasma.
ARE LASERS EFFECTIVE FOR TREATING MELASMA?
The nanopulse Nd: YAG laser is the gold standard in treating moderate and deep pigment disorders and more recently melasma. Spectra was cleared in 2012 for the treatment of melasma, and has shown to be very effective in reducing the appearance of melasma. Individuals receiving treatment should always wear sunblock if going into the sun and avoid sun exposure which can retrigger pigmentation.
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<750 ns pulses disrupt melanosomes through a photoacoustic disruption (longer pulse durations (eg, 400 microseconds) do not)
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This is consistent with the theory of selective photothermolysis, which states that the pulse duration of an emitted laser wavelength must be less than the thermal relaxation time of the targeted object
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A typical 1-µm melanosome has a thermal relaxation time of 0.5-1 μs
Laser energy targets gently breaks and ablates the pigment so that the body’s immune system can naturally remove the pigment particles.
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PROVIDE THE RESULTS YOUR CLIENTS WANT
THROUGH AYA LASERS
DENDRITIC PROCESSES
3D Structure of Melanocyte in Melasma Patient
Courtesy of I. Kim MD, South Korea
Two melanocytes are seen in 3D, reconstructed from the data from 500 x 50 nm slices and computer rendered: color is for illustrative purposes only. Image is of skin from a melasma patient before skin toning
Courtesy of I. Kim MD, South Korea
A melanocyte from the same patient after laser toning. The cell is still alive, but the long appendages have been trimmed off.
BEFORE / AFTER
Courtesy of Kevin Duplechain, MD, USA
EXPAND YOUR PRACTICE WITH SPECTRA
With the Treatments Your Patients Want
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