Page 38 - Chapter 3 - Fundamentals of Laser/IPL Hair Removal

Chapter 3 – Fundamentals of Laser/IPL Hair Removal 1st Edition
Figure 8 – Basal layer melanin heats up due to absorption of the light energy which leads to pain
What is the difference between melanocytes and melanosomes?
“Melanocytes produce specific organelles, termed melanosomes, in which melanin pigment is synthesized and deposited. In the skin, melanosomes are transferred from melanocytes to neighbouring keratinocytes in order to form “perinuclear melanin caps” (Hearing, 2005).
Melanocytes
skin kin
Dark-skinned individuals produce more melanin than those with pale skin. Exposure to the UV rays of the sun or a tanning salon causes melanin to be manufactured and built up
in keratinocytes, as sun exposure stimulates keratinocytes to secrete chemicals that
stimulate melanocytes.
Laser / IPL Treatment of Hair – the Fundamentals in more detail
To become a skilled laser/IPL therapist the key success factor is to get a general understanding or at least acceptance of the physics behind the skin based light treatment. Unfortunately, many people believe that professionals in dermatology are the real experts when comes to light-based
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© The Laser-IPL Guys, 2022
A cell in
the skin and eyes that produces and contains the pigment called melanin.
are in
the layer of basal cells at the deepest part of the epidermis, just above the dermis.
In its various forms, melanin fulfils a variety of biological functions, including
and hair
pigmentation and photoprotection of the
skin
and eye. Pigmentation of the s
results from the
accumulation of melanin-containing melanosomes in the basal layer of the epidermis.