depilation and LASER info
Information about LASER and Intensed Pulsed Light for Patients and Health Professionals
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In 1975, Thomas B. Fitzpatrick, MD, PhD, of Harvard Medical School, developed a classification system for skin typing. This system was based on a person's complexion and responses to sun exposure. Today, this classification system is also used to aid practitioners in the care of their patients. For successful laser and light therapy, it is necessary to determine your correct skin type.
Fitzpatrick Classification Scale
Skin Type |
Skin Color |
Characteristics |
I |
White; very fair; red or blond hair; blue eyes; freckles |
Always burns, never tans |
II |
White; fair; red or blond hair; blue, hazel, or green eyes |
Usually burns, tans with difficulty |
III |
Cream white; fair with any eye or hair color; very common |
Sometimes mild burn, gradually tans |
IV |
Brown; typical Mediterranean caucasian skin |
Rarely burns, tans with ease |
V |
Dark Brown; mid-eastern skin types |
very rarely burns, tans very easily |
VI |
Black |
Never burns, tans very easily |
Using this classification the doctor will determine the skin type, the energy and the equipment to be used.
Fair skins have faster results then the darker and black ones. When the skin tends to be darker, it is necessary to use low energies in order to avoid the damage to the skin. That causes a less efficient and slower treatment. The same happens with the lighter and thinner hair . These types of hair absorb less energy, making the treatment take longer.
In the initial phase of hair growth, the treatment will be more effective. The treatment is less effective in the other phases.
Therefore, it is not possible to determine an exact number of sessions for a satisfactory result, but during the initial appointment, the doctor will evaluate the kind of hair and skin, discuss the means and difficulties for the treatment and estimate a program for the treatment.
Any way, it should be clear for the patients that several sessions will be necessary and that this number varies according to each area and to each patient.
For
the same reason, the treatment should not be performed in tanned skins
because it reduces its efficiency and increases the risks of complications
after the treatment.
.last actualization: