December 2025 in “The American Journal of Medical Sciences and Pharmaceutical Research” This study outlines how combined ultrasonic and infrared hair treatments may enhance hair restoration and performance by breaking down keratin disulfide bonds for better treatment access and sealing cuticle scales to preserve improvements, with potential applications in salon and home settings.
63 citations
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January 2006 in “Journal of cosmetic and laser therapy” This study found that pulsed infrared diode laser therapy (904 nm) was effective in promoting hair regrowth in 94% of patients with resistant patches of alopecia areata.
47 citations
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November 2000 in “Archives of dermatology” In this observational study, the effectiveness of a diode laser was evaluated for treating pseudofolliculitis barbae at the Laser and Skin Surgery Center of New York, but it reports no new clinical results.
9 citations
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January 2018 in “Medical research archives” This review discusses the therapeutic use of photobiomodulation for various skin conditions, highlighting its efficacy in accelerating tissue repair, reducing inflammation, and treating pigmentary disorders and other skin diseases, but it reports no new clinical results.
May 2024 in “International Journal of Cosmetic Science” This study found that using near-infrared optics, specifically in the second NIR window, allows for effective noninvasive evaluation of intra-hair damage caused by cosmetic treatments, demonstrating distinct damage types and changes in hair condition due to chemical or thermal processes.