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This review discusses the role of immune privilege collapse in the pathogenesis of alopecia areata, emphasizing the potential for therapeutic manipulation of hair bulb immune privilege to offer new treatment options, and reports no new results.

This article discusses the role of human hair follicles in neuroendocrinology and suggests potential new therapeutic targets by examining how neuromediators influence hair growth, pigmentation, and stem cell biology in organ cultures.

This article discusses the role of neurohormones and neuropeptides in hair follicle pigmentation and outlines promising neuroendocrinological strategies to address greying and damage, but reports no new clinical results.

This review examines the main absorption sites and influencing factors for orally administered drugs, highlighting variables such as solubility and gastrointestinal conditions that affect drug absorption in the small intestine and the development of effective drug delivery systems.

In this study, oral collagen peptides increased certain gene expressions related to epidermis development and the hair cycle in hairless mice skin, suggesting potential links to hair health.

This review focuses on the roles of amino acids, peptides, and proteins in cosmetics, highlighting their importance in skin health and their potential for development in personal care products due to their unique properties and biocompatibility.

In this study, QR678® and QR678 Neo® injections significantly improved hair density and thickness in women with PCOS-related alopecia over eight sessions, with effects lasting over a year.

This review examines glycopeptide hydrogels as biomimetic materials for tissue regeneration and other biomedical applications, describing their design, properties, and potential uses, and highlighting future advancements in replicating natural tissue environments for precision medicine.

Hair follicles could be used for targeted drug delivery, with liposomal systems showing promise for this method.

This review discusses the roles of hair follicles and sebaceous glands in percutaneous transport and reports no new results, noting a lack of adequate models and methodologies.

This review found that anti-aging peptides show promise in cosmeceuticals due to their targeted actions to rejuvenate skin, but challenges like peptide stability, penetration, and limited clinical data limit their current effectiveness.

This review highlights research reporting that oral collagen peptide supplements are effective in enhancing skin elasticity, hydration, and reducing wrinkles, although results vary across studies. Oral supplementation was generally well-tolerated, and further investigation is needed to optimize formulations and explore topical application challenges.

This review suggests that although hydrolyzed collagen peptides with certain supplements may improve skin elasticity and joint function, evidence for collagen's anti-aging and regenerative benefits remains inconsistent.

This study found that microspicule cosmetics with low-molecular-weight peptide complexes significantly improved skin whitening, pore condition, and skin barrier function over four weeks compared to a non-microspicule formulation.

This study found that treatment with Bacillus amyloliquefaciens UCMB5113 significantly increased root hair growth in half of the tested Arabidopsis thaliana accessions.

This study found that normal murine hair follicles are direct targets for melatonin bioregulation, expressing receptors that are regulated in a hair cycle-dependent manner, influencing keratinocyte apoptosis.

This study found that a newly synthesized peptide from fermented Trapa japonica extract significantly promoted wound recovery and showed antiaging effects in skin cells and a clinical study, suggesting potential as a cosmetic product.

In this narrative review, researchers found that biomimetic peptides, which mimic natural biological functions, show potential in improving hair density and thickness in people with alopecia, although more robust clinical studies are needed to confirm their efficacy for clinical use.

This review discusses the discovery and potential therapeutic uses of proteasome inhibitors across various diseases, including cancer and autoimmune conditions, but does not present new clinical data.

This review discusses the mechanisms and potential therapeutic benefits of mesenchymal stromal cell-derived extracellular vesicles delivered via biomaterials, but reports no new clinical results.

This review discusses the various treatment options for male and female pattern hair loss and provides no new clinical results; the authors outline the most effective strategies based on existing evidence.

This review outlines the various processes activated by the peptide GHK-Cu in tissue remodeling and reports improvements in skin and wound healing but notes a need for further study to fully understand these mechanisms.

This review concluded that oral finasteride for men and topical minoxidil for both genders have the most evidence supporting their effectiveness and safety for treating androgenetic alopecia.

This study found that the methanol extract of Eclipta alba showed dose-dependent hair growth promoting activity in pigmented C57/BL6 mice by influencing the transition from the telogen to anagen phase.

This review highlights microneedling's promise as an adjuvant therapy for enhanced drug delivery in dermatology, especially for conditions like atrophic scars and pigmentation disorders, though its efficacy for vitiligo is limited.

This article explores the potential of formyl-peptide receptor 2 agonists as innovative anti-inflammatory drugs, highlighting their ability to mimic the body's natural inflammation response, but it presents no new clinical findings.

This article reviews recent advancements in understanding and treating androgenetic alopecia, focusing on new genetic insights, stem cell roles, and diagnostic tools, without reporting new clinical results.

This review discusses the use of Dermal Papilla cells as in vitro models for studying hair growth modulators, emphasizing their role in aiding the development of new hair treatments, but reports no new clinical results.

This study observed that patients with various types of hair loss had significantly lower serum zinc levels compared to healthy controls, suggesting zinc disturbance may play a role in the condition.

This study found that thyrotropin-releasing hormone (TRH) acts as a potent stimulator of hair growth in human scalp hair follicles, promoting elongation and prolonging the anagen phase.