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This article discusses the history and understanding of Tay syndrome, recognizing it as a distinct condition related to ichthyotic erythroderma, mental retardation, and brittle hair but reports no new clinical results.

This study utilized the DNP–SANS technique on human hair for the first time and found significant changes in the SANS profile dependent on polarization conditions, providing insights into the structural composition and dynamic properties of keratin and its associated proteins.

This investigation found that certain supplements, particularly whey protein isolate, growth hormones, and anabolic steroids, can negatively impact hair loss by affecting biochemical pathways.

This study developed a new synthetic route for finasteride that omits the costly reagent 2,2′ dipyridyl disulfide, achieving an overall yield of 16%.

This study examined finasteride degradation under stress conditions, identifying three unique degradation products in acidic environments, providing insights into impurity profiling and quality control for finasteride formulations.

This study found that incorporating CTA2-BADG, a modified hair-rebonding compound, into damaged hair significantly improved surface morphology and tensile strength by using charge-conversion chemistry to enhance penetration into the hair shaft.

This research highlights dermatologists' concerns about the widespread use of sports supplements, noting that nutritional supplements associated with muscle-building and appearance enhancement can lead to dermatological issues like acne and alopecia, while potentially containing harmful substances such as undisclosed anabolic steroids.

This study discusses zinc's vital role in skin cell growth and how its deficiency can lead to acrodermatitis enteropathica, marked by symptoms like alopecia and dermatitis. It notes that similar symptoms appear in people with certain metabolic conditions, referred to as acrodermatitis dysmetabolica.

This case study of a 2-month-old boy with maple syrup urine disease highlights the dangers of restricting branched-chain amino acid intake, as it led to acrodermatitis dysmetabolica-like skin eruptions and hair loss, later resolved with careful dietary adjustments and monitoring.

This study developed and validated an optimized culture method for dermal papilla cells, leading to the establishment of an immortalized cell strain called iDP6, which resembles primary DP cells in key characteristics.

In this study, researchers optimized the culture strategy for dermal papilla cells and established a promising immortalized cell strain, iDP6, which resembles primary DP cells and is suitable for further research applications.

This study found that a conditioner containing 18-MEA and SPDA can improve hair's smoothness and reduce flyaways, enhancing hair manageability.

This article reports a case of trichothiodystrophy in a 7-year-old girl with sulfur deficiency in her hair, characterized by sparse, slow-growing hair and distinctive tiger tail banding under microscopy.

This case report describes a 2-year-old boy diagnosed with trichothiodystrophy, characterized by fragile hair, intellectual damage, diminished fertility, and short stature.

This review discusses the use of methotrexate for pediatric dermatoses and reports increased use in certain conditions like psoriasis, but mainly isolated case reports for others.

This trial explores whether spironolactone is more effective than cyclines for treating moderate acne in adult women, providing a potential alternative amidst concerns over antibiotic resistance.

This study detailed the structure and amino acid composition of sheep trichohyalin, noting its presence in various tissues and suggesting a possible functional role beyond structural support in hair follicles.

This study found that a specific VDR amino acid substitution in children with hereditary vitamin D-resistant rickets disrupts ligand binding and gene activation but does not impair hair follicle development.

This study suggests that deficiencies in certain amino acids, like taurine and tryptophan, in artificial milk formulas may contribute to skin and eye problems in Bengal tiger cubs.

This study demonstrates that the amino-terminally shortened KGF-1 variant with 135 residues maintains biological activity, suggesting it may serve as an alternative to the original KGF-1 for certain therapeutic applications.

Mice hair follicles take in the amino acid cystine.

This study found that key amino acids lost from hair due to weathering can be successfully reintroduced through cosmetic treatments, improving hair strength and aesthetics.

The authors concluded that newly synthesized N-acyl-L-tryptophanyl-isoleucine amides showed high anxiolytic activity in animal models, comparable to diazepam, through interaction with the TSPO receptor.

This study identified the same N-terminal and C-terminal amino acids in human and horse hair as previously found in wool and feather keratin.

This review discusses the complexities of managing adolescent psoriasis amidst challenges like identity formation and parent-adolescent dynamics, and proposes updated management strategies for 21st-century adolescents, but reports no new clinical results.

This study observed shifts in dermatological disease frequencies amid early COVID-19 pandemic lifestyle changes, noting significant increases in urticaria, drug eruptions, and alopecia areata, while bacterial and fungal infections decreased.

This article discusses the rising demand for hair transplant surgery amid a global shortage of training and fellowship programs, and it reports no new results.

This study found that a more liberal intake of restricted amino acids in patients with methylmalonic acidemia resulted in improved growth and fewer illness episodes.

This study found that patients with tropical chronic pancreatitis exhibited significantly reduced plasma amino acid levels and antioxidant capacity, with folate deficiency identified as a key factor in hyperhomocysteinemia.

This study reported that genome sequencing and analysis of mink hair keratin genes reveal the amino acid composition of key proteins and offer insights into fur biosynthesis, potentially aiding conservation efforts through transgenic animal design to produce mink fur and help save endangered mink species.