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This article reviews the basics of hair follicle biology, laser/tissue interactions, and hirsutism and hypertrichosis causes, discussing the long-pulsed alexandrite laser's role in hair reduction without reporting new clinical results.

This study found that capped mesoporous silica nanoparticles conjugated with antibodies selectively released a dye when exposed to finasteride, with low detection limits and stable performance even after storage.

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 article discusses how the balding scalp's exposure to UV and near-infrared light may accelerate aging, with changes detectable under ultraviolet light; it presents no new clinical findings.

Light scatters differently from elliptical hair fibers than from circular ones, and a new model better predicts this behavior, especially for shiny highlights.

Nanocarriers could improve how drugs are delivered through the skin but require more research to overcome challenges and ensure safety.

In this study, researchers found that UV radiation causes hydroxy radicals to form cuticle holes specifically between the cuticle layers in wet hair, unlike random holes caused by Fenton's reaction.

This chapter reviews skin components, wound healing mechanisms, and the potential of biomaterials to enhance skin repair and regeneration, without offering new experimental results.

This study demonstrated that herbal therapy with oil extract increased triglyceride content in dog hair, suggesting potential benefits on coat quality that require further investigation.

Tattooing guidelines focus on safety, hygiene, and following rules.

This chapter reviews the anatomy and structure of hair, discusses hair damage and analyses, and explores methods for processing hair changes, but presents no new research findings.

This review highlights that while moderate physical activity benefits skin health by improving circulation and reducing stress, intense exercise or inadequate protective measures can harm the skin, emphasizing the need for sun protection and personalized care.

This chapter reviews hair anatomy, hair shaft structure, and various cosmetic treatments that can alter or damage hair, but it presents no new research findings.

This article discusses various methods of facial enhancement, such as botulinum toxin and fillers, and emphasizes their temporary nature but reports no new clinical results.

This article discusses the structure of hair follicles and their significance in evaluating hair disorders, but it does not report any new research findings.

This study found that peripilar signs on the scalp are linked to perifollicular lymphocytic infiltrates in early androgenetic alopecia, detectable even in areas with high hair density.

This article reviews the use of dermatoscopy and videodermatoscopy in therapeutic follow-up, noting that videodermatoscopy is a reliable tool despite potential cost issues with high magnifications.

This study reported that Trichoscan, a computer-assisted hair measurement system, was not supported as accurate for clinical trials due to errors in signal detection, despite its analysis speed.

This study found that the sebum partition coefficient (K(sebum)) for some drugs differs from the stratum corneum partition coefficient (K(sc)), indicating its importance for targeted drug delivery into hair and sebaceous follicles.

This study found that feline superficial pyoderma was more prevalent in the dermatology-referral cats studied than previously reported, affecting mainly young cats with hypersensitivities and manifesting various lesion types.

This case study identified Trichophyton rubrum as the cause of trichophytia profunda acuta in a patient using nested PCR, suggesting an alternative diagnostic approach when KOH tests and cultures fail.

This study found that dermoscopy can identify distinctive features in canine pattern alopecia, such as hair shaft thinning and pigmentation patterns, which may aid in diagnosing this and potentially other skin disorders.

This article reviews the clinical manifestations and contributing factors of acute zinc depletion syndrome, reporting no new results but discussing prevention and treatment strategies.

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 study reports that the side population technique can isolate melanocyte stem cells from human hair follicles, potentially allowing them to be used for skin pigmentation repopulation.

This article discusses the role of the androgen receptor in regulating development and homeostasis, and reviews treatment approaches for conditions related to hormone imbalances, without reporting new clinical findings.

This case report highlights the importance of considering trichofolliculoma in the differential diagnosis of scalp lesions, with histopathological examination essential for accurate diagnosis.

This study suggests that dermoscopy provides additional insights for diagnosing pattern alopecia in short coated dogs, beyond what is visible through standard dermatological examination.

This article provides descriptive results indicating high client satisfaction and good tolerance associated with mesotherapy in treating hair loss, based on the author's personal experience with clients.

This case report highlights a 60-year-old patient's diagnosis with Cronkhite-Canada syndrome, characterized by gastrointestinal polyps, diarrhea, weight loss, brittle nails, alopecia, and skin changes, which showed improvement with treatment.