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In this study, the KPAI and KP-IGA scoring systems for assessing keratosis pilaris showed excellent interrater and intrarater reliability, offering standardized measures for clinical and research use.

This study found that Shh and Dhh overexpression in mouse basal cells led to similar epidermal and limb phenotypes, suggesting Dhh functions similarly to Shh in skin, unlike Ihh.

This study found that mice genetically modified to overexpress the serine protease inhibitor hurpin showed reduced UV-induced apoptosis but increased susceptibility to skin cancer after chemical carcinogenesis.

The new anti-aging ingredient improves skin hydration, elasticity, and reduces wrinkles.

This study revealed that IP-PA1, derived from Pantoea agglomerans, promoted hair growth in mice and increased certain growth factor expressions in human cell cultures, suggesting a unique mechanism compared to traditional hair growth treatments.

This study found that a low-dose intermittent finasteride regimen significantly reduced hirsutism scores in adolescent girls with PCOS or idiopathic hirsutism, with similar efficacy but potentially safer and less expensive than continuous administration.

This article reviews human placenta hydrolysates and their complex molecular mechanisms in treating various conditions but does not present new clinical findings.

This study found that the revised BASP classification for pattern hair loss, which addresses certain limitations of the original, could serve as an alternative option despite a decrease in clinical accuracy and ease of use.

This study found that NIH hairless mice exhibit abnormalities in hair growth and immune-related pathways, with Pik3r1 and Pik3r3 identified as key genes for further investigation.

In this study, researchers differentiated induced pluripotent stem cells into cells with dermal papilla-like properties, demonstrating their potential role in hair follicle bioengineering and drug testing for hair growth.

In this study, researchers developed EPO-derived peptides that enhanced hair growth by stimulating dermal papilla cells and increasing IGF-1 expression without triggering systemic erythropoietic effects in tested models, indicating a promising approach for treating hair loss.

In this study, researchers found that recombinant human HAPLN1 promoted hair growth in mice and human hair matrix cells by activating specific signaling pathways, suggesting it may offer a potential hair loss treatment with fewer side effects than existing medications.

This case report highlights lichen planus pigmentosus in a 60-year-old man, which was linked to previously undetected hepatitis C infection and liver cirrhosis, suggesting a need for hepatitis C testing in patients with similar dermatological manifestations.

This case report from The Journal of Dermatology describes an instance of infective endocarditis linked to implanted artificial hair pyoderma, with no new generalizable results reported.

In this study, topical application of Hominis Placenta significantly promoted hair regrowth and increased hair density in C57BL/6 mice, suggesting its potential as a treatment for alopecia.

This paper reviews how studying the microbiome of the freshwater polyp Hydra can inform new, microbiome-targeting therapies for human hair follicle and skin diseases; it presents no new experimental findings.

This article reviews lichen planopilaris, its presentation, and treatment challenges, and emphasizes the need for more research into its pathogenesis and therapy efficacy; it reports no new findings.

This study suggests the possibility of regenerating hair follicle structures in vitro using hiPSC-derived cell composites, which might reduce reliance on human tissue-derived cells for hair bioengineering.

This study demonstrated that a 1-step, peroxidase-labeled conjugated antibody method provides more accurate immunoreactivity patterns in hair follicle substructures compared to the 2-step LSAB method, which may cause false-positive staining in sebaceous glands.

This study found that activating the PI3K/Akt signaling pathway in dermal papilla cells enhances their hair-inducing capabilities, suggesting potential strategies for hair regenerative medicine.

This review discusses insights into the role of lipase H in controlling hair form and texture, emphasizing genetic mutations linked to autosomal recessive woolly hair/hypotrichosis, and reports no new experimental results.

This review outlines how peptidyl arginine deiminases (PADIs) and protein citrullination are involved in hair follicle regeneration and inflammatory alopecia, but presents no new clinical findings.

In this study of reproductive-aged women in Tehran, idiopathic hirsutism and polycystic ovary syndrome were reported to be prevalent, with rates influenced by the screening methods used.

This study discusses clinical cases of Lichen Planopilaris in men that were initially misdiagnosed and inadequately treated, resulting in significant irreversible hair loss.

This article suggests that testosterone therapy might be considered if other treatments fail, but emphasizes discussing potential risks and benefits with patients before prescribing.

This study demonstrated that dermal papilla cells were more efficiently reprogrammed into induced pluripotent stem cells than dermal fibroblasts, suggesting their potential as a source for iPS cells.

This study found that in Hutchinson–Gilford progeria syndrome, iPSCs committed to the keratinocyte lineage faster than normal cells, with LEF1 expression reduced and a partial rescue of the phenotype achieved through adenine base editing.

This case report describes a patient who experienced proton-induced alopecia after proton therapy for a frontal meningioma, which was effectively treated with topical minoxidil, resulting in full hair regrowth after 4 months.