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This article discusses the complexities of treating hair and scalp disorders in African American patients, emphasizing the importance of understanding their specific hair care practices and the unique impact on quality of life, but reports no new empirical findings.

This chapter reviews keratins in skin epithelia, including their roles in cellular function and disease, and reports no new experimental results.

This study found that increasing a drug's lipophilicity and adding ethanol to the donor phase can enhance its delivery to the hair follicle, although the precise transport mechanism remains unclear.

In this study, expressing human K16 in the epidermis of K14 null mice prevented early skin blistering but led to age-related anomalies, indicating K16 and K14 have distinct roles despite their sequence similarity.

This study found that nanostructured lipid carriers with clobetasol propionate significantly enhance follicular drug delivery compared to commercial cream, and manual massage further doubles follicular retention.

This review examines the role of steroidal inhibitors in treating prostatic diseases but presents no new clinical results.

This study found that Transcutol-containing vesicles improved the delivery of minoxidil to deeper skin layers in vitro but did not facilitate its permeation through the skin.

This study suggests that artificial sebum L may serve as an effective substitute for human sebum in drug transport studies, due to its similar physicochemical properties.

This study found that transgenic mice expressing human keratin K8 in the epidermis showed increased progression of skin lesions toward malignancy, suggesting a role for K8 in the development of invasive skin cancer.

This article discusses the emotional and psychological impact of severe alopecia areata on patients, emphasizing feelings of loss, vulnerability, and self-identity changes, and reports no new results.

This review summarizes the application of microneedles in treating various skin diseases and highlights challenges like low drug loading, noting no new clinical results are reported.

This study found that minoxidil-loaded niosomes with a Span 60 and cholesterol ratio of 1:2 significantly increased skin retention of minoxidil compared to control gel.

This review discusses the variability and limitations of treatments for severe alopecia areata, noting some patients may achieve cosmetic hair regrowth with treatment, while others experience persistent hair loss or relapse.

This review surveys the chemical composition and various uses of jojoba oil in medicine and industry but presents no new clinical results.

This study found that dutasteride-loaded nanostructured lipid carriers coated with a stearic acid-chitosan oligomer are stable, less cytotoxic, and suitable for topical delivery to promote hair growth.

Keratin peptides can change hair shape gently without harsh chemicals.

This article reviews mechanisms by which herbal ingredients may stimulate or inhibit hair growth, and it reports no new clinical findings while suggesting potential for developing hair loss treatments.

This article reviews various strategies, primarily developed by the Turin University Pharmaceutical Technology group, for increasing entrapment efficiency of hydrophilic molecules in nanoparticulate systems and reports no clinical results.

This study concluded that polymeric nanoparticles effectively targeted hair follicles for drug delivery, but the organogel formulation did not enhance their penetration into the hair shaft.

In this study, contaminated drinking water in Dakahlyia governorate was linked to health issues like hair loss, renal failure, and liver cirrhosis, attributed to industrial and agricultural pollutants.

This article discusses how drug molecules integrate into hair fibers, focusing on biological transport mechanisms and physicochemical factors, but reports no new experimental findings.

Nitrendipine and nifedipine effectively block muscle contractions, while papaverine relaxes them and minoxidil needs high amounts to work.

This review discusses the potential of plant polyphenols to overcome multidrug resistance in various solid cancers and reports no new experimental results; further research is suggested.

This review discusses the physiopathology of androgenetic alopecia and evaluates various traditional and emerging treatments, reporting no new clinical results but highlighting the need for enhanced treatment strategies.

This study demonstrated a method for large-scale preparation of self-sorted hair follicle germs in vitro, which successfully generated hair follicles when transplanted into the skin of nude mice.

This review evaluates the scientific literature on silicon supplements, noting that orthosilicic acid shows higher bioavailability, but emphasizes the need for further clinical studies on safety and efficacy.

This study reported that certain newly synthesized steroidal derivatives showed stronger inhibitory activity against the 5α-reductase enzyme than finasteride in hamsters, suggesting their potential as enzyme inhibitors.

This study found that betasitosterol-loaded nanostructured lipid carriers, when added to butter, improved its nutritional profile and antioxidant properties, maintaining stability over a three-month storage period.

This study optimized conditions for extracting saponins from Eclipta prostrata, achieving maximum yield with specific ethanol concentration, time, temperature, and liquid/solid ratio.

In this study, germacrone from Curcuma aeruginosa showed anti-androgenic effects by inhibiting 5α-reductase, suggesting its potential as a lead compound for treating androgen-dependent disorders.