TLDR Optical hair removal devices showed potential for long-term hair removal in 1999.
In 1999, the field of optical hair removal was emerging as a promising solution for individuals dissatisfied with traditional hair removal methods. Several devices, including Nd:YAG, ruby, alexandrite, diode lasers, and xenon flashlamps, had been developed and were gaining popularity due to aggressive marketing. Despite this, there was significant controversy and confusion regarding their use. The article aimed to clarify the scientific principles behind optical hair removal and discussed the pros and cons of the available devices. It also provided treatment and safety guidelines for practitioners. Although the technology was still new, initial reports suggested that these methods could offer long-term hair removal efficacy.
112 citations,
July 1998 in “Journal of Investigative Dermatology” Ruby laser pulses best destroy hair follicles during the growth phase and effectiveness varies with laser intensity; melanin is key for targeting, and timing treatments can improve results.
20 citations,
July 1998 in “Archives of dermatology” 
132 citations,
October 1995 in “Journal of the American Academy of Dermatology” Electrolysis is effective for permanent hair removal, but technique is key to avoid scarring, and sometimes hormonal treatment is needed for women with hirsutism.
67 citations,
July 1985 in “British journal of dermatology/British journal of dermatology, Supplement” Men's thigh hair grows longer and has a longer growth cycle than women's, but arm hair growth is similar between genders.
42 citations,
February 1985 in “Journal of the American Academy of Dermatology” Excessive hair growth can be assessed by history, exam, and blood tests, and treated with medication like dexamethasone, birth control pills, and spironolactone.
31 citations,
April 1999 in “Dermatologic Clinics” Nd:YAG laser can reduce hair with multiple treatments, but permanent removal isn't guaranteed.
134 citations,
September 2008 in “Lasers in surgery and medicine” Low fluence photoepilation temporarily removes hair by targeting the hair follicle's pigmented area without severe damage.
14 citations,
May 2011 in “Facial Plastic Surgery Clinics of North America” Laser hair removal is effective for dark hair but needs improvement for nonpigmented or fine hairs.
19 citations,
January 2007 in “Dermatology” Unwanted facial hair significantly impacts over 40% of women's psychological and social well-being, and various treatment options are available.
1 citations,
January 2009 in “Elsevier eBooks” Combining proper shaving, topical treatments, and laser therapy effectively reduces Pseudofolliculitis Barbae.
