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This article reviews the complex role of various biological, genetic, and environmental factors in acne pathogenesis and notes no new clinical results.

This study outlines the complex structure and various functions of the skin, emphasizing its role as a barrier against external insults, a sensory receptor, and its importance in vitamin D synthesis.

This case report describes a 4-year-old girl with trichotillomania triggered by vitamin D deficiency, who showed dramatic improvement with vitamin D therapy.

This study identified complex regulatory elements and interactions involving the Hr gene and HR protein that are crucial for hair follicle formation and cycling in mammals.

This study reported that complex therapy involving pharmaceutical treatment and scalp application of biomimetic peptides was found to be effective in improving hair and scalp conditions in patients with telogen hair loss and androgenetic alopecia, compared to a control group receiving only pharmaceutical treatment.

This study observed that the Aptamin C® and vitamin C complex had effective ROS-scavenging and anti-inflammatory effects on human skin in both in vitro and clinical tests.

This review discusses the role of vitamin D receptor signaling in hair follicle biology for alopecia treatment and underscores the need for continued research, without presenting new clinical results.

In this study, the researchers observed that a recombinant human collagen complex with nicotinamide promoted hair growth in rat models, increased hair follicle stem cell survival, and enhanced key protein expression, suggesting potential benefits for hair health and loss prevention.

This study found that a shampoo containing a 6-active ingredient complex increased β-Catenin production in human hair follicle dermal papilla cells to levels comparable to Finasteride, suggesting potential for promoting hair growth. It also showed good cleaning efficacy, volume, and shine in a sensorial study.

The document concludes that hair loss in women is complex, often linked to aging, health conditions, and nutritional deficiencies, and emotional impacts should not be underestimated.

The authors report that a 62-year-old woman with invasive conjunctival squamous cell carcinoma experienced complete remission two years after combining cemiplimab, retinoic acid, and IFNα-2b treatments, highlighting potential utility despite limited availability of IFNα-2b.

This review discusses the historical understanding of nutritional dermatoses related to Vitamin B complex deficiencies and reports no new experimental results.

The conclusion is that effectively treating hair disorders is difficult due to the complex factors affecting hair growth and more research is needed to improve treatments.

This case report describes a patient developing hidradenitis suppurativa-like lesions after undergoing gamma secretase complex inhibitor therapy for desmoid tumours, illustrating potential skin toxicity linked to the treatment.

This case report describes an eight-year-old male with alopecia areata who achieved complete remission within five months following a diet and supplementation regimen rich in vitamins and zinc.

This study found that a sunscreen with oxothiazolidine and δ-tocopheryl glucoside provided complementary oxidative protection, with immediate but brief effects from oxothiazolidine and prolonged effects from the slower-absorbing δ-tocopheryl glucoside.

This research highlights the crucial roles of B vitamins in metabolism, neurological processes, and DNA functions, and describes emerging therapies that enhance vitamin absorption and therapeutic potential.

This review discusses the role of various hormones in diffuse hair loss and emphasizes the need for further research to clarify their complex interactions and potential therapeutic implications, but reports no new clinical results.

This review discusses the skin's role as a peripheral endocrine organ, highlighting its complex hormonal interactions and the endocrine functions it performs, but reports no new findings.

In this study, teledermatology did not significantly differ from in-person visits in complete response rates for actinic keratosis treatment, but it showed higher treatment failures and more frequent local reactions.

This study found that in Vdr-knockout mice, hair follicles fail to complete the catagen stage, leading to persistent epithelial strands and subsequent hair loss.

This study observed that a food supplement containing medicinal plant extracts, amino acid, and vitamin complex significantly decreased hair loss and increased hair thickness over three months in adults with subjective hair loss, without notable side effects.

This review discusses current concepts on the role of retinoids in keratinization and does not report new clinical results; the authors emphasize the complexity of retinoid effects on skin.

This study demonstrated that high doses of L-cystine and vitamin B6 effectively prevent doxorubicin-induced hair loss in mice.

This case report describes a 34-year-old woman who, after Roux-en-Y gastric bypass surgery, experienced improvements in symptoms of dizziness and energy following treatment with oral ferrous sulfate for iron deficiency.

This study observed that vitamin D deficiency is linked to a weakened immune system and may promote autoimmune inflammation in individuals with diffuse alopecia, where hair loss happens throughout the scalp.

This study identified a new cis-regulatory element in the mouse Hr gene that influences its expression in skin and brain cells, highlighting a complex molecular network involved in hair follicle formation.

This review explores the association between sleep disturbances, obstructive sleep apnoea, and metabolic consequences like Type 2 diabetes, but reports no new experimental results; the authors elaborate on existing knowledge and suggest complex interconnections with fat accumulation and various syndromes.

This study highlights a rare case of vitamin D-dependent rickets type 2A caused by a heterozygous mutation in the vitamin D receptor gene, emphasizing the complexity of managing this condition with high-dose calcium and vitamin D therapy.

This study found that calbindin-D9k knockout mice on a maternal vitamin D-deficient and low-calcium diet developed transient alopecia, but a high-vitamin D and calcium diet in mothers reduced this effect.