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Nutrition plays a key role in managing skin disorders, with specific dietary changes helping improve conditions like acne, dermatitis, psoriasis, alopecia, and skin cancer.

This narrative review describes the components of human hair and their nutritional importance but reports no clinical results; the authors suggest dietary sulfur amino acids are essential for hair health.

This research proposes to investigate the incidence of skin diseases in dogs from North-eastern India linked to deficiencies in alpha-linolenic and linoleic acids, as these essential fatty acids have anti-inflammatory and immunomodulatory benefits potentially aiding inflammatory skin disease therapy.

This study found that an 11-month-old Japanese infant developed biotin deficiency while on a Japanese amino acid formula without biotin, which was resolved with biotin supplementation.

This study evaluated a commercial topical solution with essential fatty acids for its potential effectiveness in treating skin disorders in rabbits.

This review discusses the importance of omega-3 fatty acids for human health and explores recent advancements in genetically modifying plants to produce these essential nutrients, but reports no new results.

In this study, inducible whole-body Acly-knockout mice revealed that ACLY is essential for skin homeostasis, as its deficiency led to increased sebum production and skin abnormalities, indicating a vital role for cytosolic acetyl-CoA synthesis in preserving skin barrier integrity and systemic lipid regulation.

This review reports that nutritional and lifestyle factors, such as micronutrient deficiencies and stress, play a significant role in hair health and loss, but emphasizes that evidence for interventions remains limited and more research is needed to establish clear clinical guidelines.

This study found that a hypomorphic mutation in the Hr gene contributes to the development of diet-induced pruritic atopic skin in mice, particularly when combined with dietary deficiencies of polyunsaturated fatty acids and starch.

This study reports a case of GGCX syndrome in a 55-year-old Japanese male, characterized by PXE-like symptoms and coagulation deficiency, with an unreported phenotype of possible spinocerebellar degeneration.

This review discusses commonly used dietary supplements for hair growth and highlights the lack of evidence supporting their efficacy and safety in the absence of nutritional deficiency; it reports no new research results.

This review discusses the role of nutraceuticals in combating skin aging but reports no new clinical results, focusing on their mechanisms of action and potential effectiveness for dermatologists.

This review discusses the role of the enzyme Δ9-desaturase-1 in skin lipid regulation and whole-body energy balance in mice and reports no new experimental results.

This study found that fatty acid desaturation regulated by SCD1 is crucial for hair growth by maintaining hair follicle stem cell niches, with its absence causing abnormal hair growth in mice.

Certain micronutrients may improve hair and nail health, but more research is needed to confirm their benefits.

This source reports that biotin, a water-soluble vitamin B7, may benefit skin, hair, and nail health, including various types of alopecia, without the risk of hypervitaminosis even at high doses.

Eating a balanced diet with the right vitamins and minerals is important for healthy hair, but too many supplements can be harmful.

This review discusses the nutritional causes of dermatologic diseases in small animals and reports no new clinical results, emphasizing the importance of recognizing and treating these conditions in veterinary practice.

This article reviews the roles and synthesis of essential long-chain fatty acids in the body and reports no new research findings; it emphasizes the importance of dietary sources for these lipids.

This review summarizes causes and treatments of androgenetic alopecia with a focus on herbs as potential alternatives, but reports no new results and suggests more research is needed to validate these options.

Nutrition is important for skin health, and changing diet can help prevent and treat skin diseases.

This review examines nutrient-responsive dermatoses in companion animals and reports no new results, highlighting that improved diet quality can enhance skin and hair coat health.

This review discusses how Western diet may contribute to acne vulgaris through insulin signaling and metabolomic changes, promoting a dietary approach for management, but reports no new experimental results.

This review discusses the role of dietary habits and lifestyle modifications in managing polycystic ovary syndrome and reports no clinical results; the authors emphasize the need for tailored diet therapy in affected women.

This review discusses the role of diet in managing hair loss during menopause and reports no new clinical results; it highlights the importance of nutrients like sulfur amino acids, vitamins, and minerals.

A balanced diet and healthy lifestyle help manage PCOS symptoms.

In this systematic review, various nutrients and diets, such as a plant-based diet and supplements like omega-3 fatty acids, were found to impact tissue regeneration, skin health, and wound healing, highlighting the role of nutrient-sensitive signaling pathways in these processes.

This review discusses the lack of specific micronutrient supplementation recommendations for hair loss in patients on long-term parenteral nutrition and reports no new clinical results.

This study found that male 5αR1 knockout mice and obese Zucker rats treated with finasteride showed increased insulin resistance and hepatic steatosis, potentially implicating 5α-reductase activity in metabolic liver disease development.

This article reviews the classification and characteristics of water soluble vitamins, focusing on their varying solubility and functions, and reports no new experimental findings.