Applications Why ARION? Wavelength Technical Specifications Related Products

Wavelength

Physical Principles of Laser Hair Removal

Epilation with a laser is based on the principle of selective photothermolysis: Energy is applied to the treatment area so as to maximize damage to the target structures while minimizing the effects to the surrounding tissue.

For epilation, the target structures are the melanin pigments in the hair follicles. Because the skin contains much less melanin than the hair, the laser radiation passes through the skin, even for patients with a darker skin type.

Because of the high absorption of 755-nm alexandrite laser beams by melanin, not all skin types can be treated. With darker skin types (skin types V - VI), inacceptable thermal skin damage occurs when an effective energy level is selected. For this reason, ARION should only be used for epilation of skin types I - IV.

For long-term hair removal using a laser, normally 3 - 6 treatments are necessary. Hair follicles have a natural growth cycle in which growth phases alternate with rest phases. Only hairs in the growth phase have enough melanin in their roots to react to a laser treatment.

Operating Principle of ARION for Treating Veins

The alexandrite laser ARION also operates according to the principle of selective photothermolysis for treating surface veins: in this case, oxidized hemoglobin is the target structure.

• The laser beam penetrates the epidermis with high energy and is absorbed by hemoglobin in the veins.
• The absorbed radiation is converted to heat; the blood coagulates or evaporates and the veins are damaged.
• The veins collapse, sclerosis sets in. The veins are then absorbed by the body over the next couple of months.

Statements:

Prof. Dr. Uwe Paasch:
"...For epilation, the alexandrite laser system ARION is our system of choice." > mehr

Mitchel Goldman, MD:
"The ARION is a great laser that is fast and effective..." > mehr

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