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This study observed that during the postnatal development of gray short-tailed opossums, skin transitions from facilitating gas exchange through a dense capillary network at birth to supporting thermoregulation, with significant changes in skin thickness and structure occurring by 35 days old.

This systematic review indicates that a platelet-rich plasma concentration of 1.0 × 10^6 plt/μL may be optimal for tissue regeneration due to sufficient nutrition supply and effective growth factor diffusion in vivo.

This study found that higher levels of dihydrotestosterone in the parietal region of the scalp may correlate with the clinical presentation of androgenetic alopecia.

This study reviewed literature on phototherapy for hair loss, finding that both high and low-power phototherapy can promote hair growth, but choosing the appropriate power level is essential for effective results.

This study found that the uptake of molecules by hair is influenced by both hydrophobic and ionic charge interactions, with binding affinity decreasing as pH approaches the solute's dissociation constant.

This study discusses how hair characteristics, such as color, thickness, and volume, change with age and hormonal factors, affecting perceived age, and introduces concepts of hair aging and the nuanced diagnosis between androgenic and senile alopecia.

This review discusses the use of platelet-rich plasma as an adjunctive treatment for patients undergoing hair transplant and reports no clinical results; the authors suggest it could be beneficial but emphasize the need for scientific evidence.

This review examines the current scientific evidence on using platelet-rich plasma as an adjunctive treatment for patients undergoing hair transplant but reports no new clinical findings.

This study describes the establishment of a hair clinic in Bogotá aimed at providing affordable hair restoration treatments for middle-income individuals, focusing on market, technical, administrative, and financial analyses to ensure business viability.

In this study, extracting internal lipids from Caucasian hair fibers led to decreased water permeability, influenced by the fluidity of lipids.

Some oils can penetrate hair and reduce the stickiness between fibers, but mineral oil cannot.

This case report documents an instance of symptomatic hypothyroidism developing in a patient with papillary thyroid carcinoma after beginning treatment with orlistat.

This review compares animal and human skin characteristics in in vitro permeation studies but reports no new results, highlighting variations and the need for better model correlations.

The study reported that combining the Follicular Closing Technique with the Franz diffusion cell is a valuable method for investigating follicular caffeine penetration in vitro, though kinetics differ from in vivo results.

This study found that minoxidil was released 50% less from creams than from lotions, with a similar release profile across different lotion formulations, suggesting a specific vehicle composition for topical use.

The authors concluded that the dermal response to epidermal Wnt/β-catenin signaling depends on distinct fibroblast lineages, with each responding to different paracrine signals such as Hedgehog and TGF-β.

This study presented a new two-dimensional model that successfully predicts transdermal permeation of caffeine, highlighting the significant role of the follicular pathway in increasing systemic bioavailability.

This review highlights that human hair is a valuable biological matrix for clinical and toxicological analyses, demonstrating its applicability in detecting various active substances from different pharmacological classes.

In this case report, a 58-year-old woman was diagnosed with pseudopelada of Brocq, highlighting the diagnostic challenges of this rare scarring alopecia and underscoring the need for precise evaluation using trichoscopy and skin biopsy to avoid ineffective treatments and manage progression.

This study reviews various treatment options for androgenic alopecia, emphasizing the potential use of drug-loaded nanoparticles, but reports no new research results.

This study extended a skin diffusion model to include a porous pathway, effectively explaining the permeability of both polar and lipophilic solutes through the stratum corneum.

This study developed a novel liposome-based delivery system for Minoxidil and nitric oxide, which showed promising results in promoting hair regrowth in an androgenetic alopecia model by enhancing transdermal absorption, prolonging skin retention, and reducing inflammation.

This study found that feather patterning is primarily self-organizing and dynamic, relying on both genetic and epigenetic controls, with implications for similar processes like fingerprints and pigmentation.

This review explores the use of topical and transdermal delivery for drugs and cosmetics, highlighting the benefits of avoiding side effects and rapid metabolism, with a focus on nanoparticulate formulations and techniques for studying skin penetration.

This study found that human adipose-derived MSC exosomes (hADSC-Exos) may enhance dermal papillary cell proliferation and migration by activating the Wnt/β-catenin signaling pathway, potentially reversing the effects of dihydrotestosterone in androgenetic alopecia.

In this case report, a 47-year-old man experienced systemic hair loss after starting hemodialysis, which resolved after discontinuing the antipruritic drug nalfurafine, suggesting its role in causing hair follicle capillary regression.

This study found that alkaloids isolated from Eclipta alba leaves showed increasing antimicrobial activity with higher concentrations, particularly against S. aureus and E. coli, suggesting potential for developing antimicrobial agents.

This study revisits and reproduces Felix Pinkus' concept of the vitreous membrane in hair follicles, suggesting these structures may play a role in differentiation or nutrition due to their location in metabolically dynamic regions.

This review discusses the use of ablative and nonablative fractional resurfacing for enhanced topical drug delivery in dermatology and reports no new clinical results; further studies are needed to explore these methods.

This review discusses various chemical and instrumental methods for determining macrolides and reports no new experimental results.