Permanent Hair Removal by Normal-Mode Ruby Laser

Dierickx, Christine; Grossman, Melanie C.; Farinelli, William A.; Anderson, R. Rox

doi:10.1001/archderm.134.7.837

Cited by 237 publications

(191 citation statements)

References 21 publications

(28 reference statements)

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“…This wavelength is strongly absorbed by the melanin in the skin and in particular that of the hair. It is this property that is used to heat the hair and help to destroy it [21] [22]. Laser hair removal of the eyebrows can lead to ocular damage and should be avoided [23].…”

Section: Solid-state Lasersmentioning

confidence: 99%

The Laser Technology: New Trends in Biology and Medicine

Legrès¹,

Chamot²,

Varna³

et al. 2014

JMP

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In fifty years, laser technology has made great progress, and its many applications make it essential in everyday life. However, this technology is still open to numerous developments. Across multiple applications, there is particular focus in the field of medicine, for diagnosis for tailored therapies, and as a research tool in biology. Whereas its use is now well-demonstrated in ophthalmologic and dermatologic treatments, and surgery, one of the most fascinating aspects of laser technology in the field of biology emerged in the late 1990s with the development of devices able to perform fine dissections of biological tissues using a laser beam. The so-called laser-associated microdissection offers a rapid, precise method of isolating and removing targeted cells or groups of cells from complex biological tissues. It represents the missing link between clinical observations and the intrinsic physiological mechanisms of biological tissues. The molecular examination of pathologically altered cells and tissues for DNA, RNA, and protein expression has revolutionized research and diagnosis in pathology, enabling assessment of the role of the cell type in the normal physiological or disease process. Alongside conventional diagnostic and therapeutic approaches, another field of application contribute to the development of targeted treatments at the nanoscale level of laser technology, mainly in the field of cancer, leading to design new and innovative strategies in drug delivery and image-guided surgery. Most of these approaches, but although not exhaustively, will be presented here.

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Section: Solid-state Lasersmentioning

confidence: 99%

The Laser Technology: New Trends in Biology and Medicine

Legrès¹,

Chamot²,

Varna³

et al. 2014

JMP

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show abstract

“…Paradoxical hypertrichosis is a possible, but rare, adverse effect of photoepilation, particularly in dark-skinned individuals. The basic principle of this treatment is to create direct damage to dark hair follicles [43]. Laser systems that are commonly used for the treatment of hirsutism include the ruby laser (694 nm), the diode laser (800 nm), the alexandrite laser (755 nm) and the Nd:YAG laser (1084 nm).…”

Section: Shavingmentioning

confidence: 99%

Hirsutism: Diagnosis and Treatment

Öner¹

2012

J Metabolic Synd

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Hirsutism, which is a common clinical problem in women of reproductive age, is characterized by excessive growth of terminal hair in the androgen-sensitive skin regions. It is the result of either androgen excess or increased sensitivity of the hair follicles to normal levels of androgens. The therapeutic options of hirsutism can be divided into systemic, topical, and dermato-cosmetic therapies. Patients should be informed that the response to systemic agents is slow; occurring over 3-6 months after therapy has begun. In this review, the diagnosis and treatment of hirsutism were summarized with update literature.

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“…5 Moreover, various types of lasers used for LHR, including alexandrite, diode, Nd-YAG, ruby, and intense pulsed light (IPL), have all been approved by the United States Food and Drug Administration (FDA) and have all demonstrated effectiveness and safety when applied to LHR treatment. 6 However, the LHR treatment has its drawbacks;, for example, it is very difficult for the practitioner to trace the exact location of the laser irradiation spot by eye, because of the intrinsic characteristics of the laser, which only lasts from 3 to 400 ms. [7][8][9] It takes longer to treat a wide coverage site, such as the back, leg, thighs, and hips, during which time the practitioner can lose focus. A group of researchers proposed a thermovision camera to visualize the heat change in tissue to indirectly trace the laser irradiation.…”

Section: Introductionmentioning

confidence: 99%

A Study on the Development of a Robot-Assisted Automatic Laser Hair Removal System

Lim

Park

Noh

et al. 2014

Photomedicine and Laser Surgery

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Background and Objective: The robot-assisted automatic laser hair removal (LHR) system is developed to automatically detect any arbitrary shape of the desired LHR treatment area and to provide uniform laser irradiation to the designated skin area. Methods: For uniform delivery of laser energy, a unit of a commercial LHR device, a laser distance sensor, and a high-resolution webcam are attached at the six axis industrial robot's end-effector, which can be easily controlled using a graphical user interface (GUI). During the treatment, the system provides real-time treatment progress as well as the total number of ''pick and place'' automatically. Results: During the test, it was demonstrated that the arbitrary shapes were detected, and that the laser was delivered uniformly. The localization error test and the area-per-spot test produced satisfactory outcome averages of 1.04 mm error and 38.22 mm 2 /spot, respectively. Conclusions: Results showed that the system successfully demonstrated accuracy and effectiveness. The proposed system is expected to become a promising device in LHR treatment.

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Permanent Hair Removal by Normal-Mode Ruby Laser

Cited by 237 publications

References 21 publications

The Laser Technology: New Trends in Biology and Medicine

The Laser Technology: New Trends in Biology and Medicine

Hirsutism: Diagnosis and Treatment

A Study on the Development of a Robot-Assisted Automatic Laser Hair Removal System

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