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This article reviews various diagnostic tools for hair disorders, describing methods ranging from invasive to noninvasive, but reports no new research findings or clinical results.

This review discusses cases and research on paradoxical hair growth after laser hair removal and explores laser and light therapies for treating alopecia, but reports no new results.

In this study, a new IPL device effectively reduced hair regrowth with high patient satisfaction, particularly in individuals with coarse dark hair and darker skin, despite repeated sessions needed for lighter hair and skin.

This review discusses the role of scalp imaging techniques in trichology for researching drug delivery and toxicology, without presenting new clinical results.

This study developed a simple and rapid method using silver nanoparticles to detect minoxidil concentration in hair-growth formulations, demonstrating a detection limit of 0.35 mM.

This article reviews the impact of UV radiation and visible light on human hair structure and summarizes protective strategies, reporting no new clinical results.

This review discusses various topics from the 62nd Annual Montagna Symposium on the Biology of Skin, focusing on the diverse effects of light on skin biology, and reports no new clinical results.

Environmental, chemical, mechanical, and personal health factors can all damage hair and contribute to hair loss or changes in hair quality.

This study used ultrahigh-resolution optical coherence tomography to observe hair shaft structures, finding melanin granules absent only in white hair, which may explain color differences between black and white hair.

This review discusses the effects of photobiomodulation, particularly its potential to reduce inflammation in various conditions, but it does not report new clinical findings.

This study analyzed clinical and histological reports and concluded that blue light therapy is safe for human skin, with potential photoprotective effects against UV irradiation due to its impact on skin pigmentation mediated by Opsin-3.

This study found that while yak belly hair is chemically similar to human hair, its higher porosity and lower mechanical strength limit its usefulness as a substitute in hair dye development.

In this review, the authors discussed how men seek cosmetic procedures for distinct reasons compared to women, emphasizing the need for dermatologists to consider male-specific desires for discrete treatments with minimal downtime and differences in psychological motivations.

This study presented a new wearable textile-based device with near-infrared OLEDs that significantly reduced cell aging markers and improved cell migration in vitro, suggesting it as a promising, non-invasive phototherapy option for hair follicle treatment and hair-loss management.

This study utilized polarized light microscopy to examine hair shafts in ten children with rare genetic disorders, such as Netherton syndrome and ectodermal dysplasia, providing valuable diagnostic insights into hair thickness, composition, and structural irregularities associated with these conditions.

This study observed that infrared light therapy, alone or combined with hyaluronic acid and calcium hydroxylapatite, effectively improved skin laxity with high patient satisfaction and minimal adverse effects among women aged 37 to 68.

This study observed that infrared light treatment promoted cellular repair and reduced neck tightness in a patient with acid burns in Pakistan.

This article reviews the steps and methods involved in preparing skin tissues for three-dimensional volumetric imaging, highlighting its potential to provide detailed insights into skin structure not possible with traditional 2D histology, but reports no new findings.

In this systematic review, researchers reported that various types of laser therapy effectively treat hidradenitis suppurativa at different severity stages, with each laser offering specific benefits such as lesion removal, inflammation reduction, and improved quality of life.

This study suggests that UVA-responsive nanocapsules may provide an effective method for skin antisepsis by releasing ethanol and reducing microorganisms within hair follicles on ex vivo porcine ear skin.

This review synthesizes research on solar radiation's multifaceted effects on skin and recent advancements in sunscreen technology, including formulation, testing methods, and the use of AI, to inform future sun protection product development.

This study suggests that hemoglobin α expression in the epidermis is induced by oxidative stress and may function as an antioxidant, contributing to skin barrier function.

In this review, researchers explored how air pollutants increase oxidative stress and inflammation in human skin, affect vitamin D synthesis, and interact with the skin microbiota, also discussing AhR/Nrf2 as a potential target for treating pollution-related skin conditions.

This study found that in naturally curved human scalp hairs, distinct arrangements of cell types on either side of the hair fiber contribute to its curvature.

This study found significant structural and compositional differences in hair affected by alopecia areata compared to healthy hair, using a range of physico-chemical investigation methods.

This report discusses the Ninth World Congress for Hair Research and highlights the potential of hair follicle studies to advance understanding of various diseases, with no new clinical results presented.

This study investigated a nanostructured system using PS-b-PAA diblock copolymer for incorporating the hydrophobic photosensitizer ClAlPc, finding it effective in causing cellular damage in Caco-2 cells under light while demonstrating no cytotoxicity without light, suggesting its potential use in photodynamic therapy.

This review discusses the use of laser and flashlamp technology for unwanted hair removal and reports no new clinical results, highlighting challenges with light-colored hair and treatment safety for darker skin tones.

This article reviews the use of laser and light-based devices for hair removal, highlighting their effectiveness in significantly reducing hair growth in individuals with fair skin and dark hair, and suggests that photoepilation offers advantages over traditional hair removal methods.

This study reviews recent advancements in near-infrared organic light-emitting diode (NIR OLED) technologies, focusing on their applications and the diverse luminescent materials used in their emissive layers.