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This review discusses zinc's role as an essential trace element in human nutrition, particularly its importance in total parenteral nutrition, and reports no new clinical results.

This review found that patients with alopecia areata may have lower levels of vitamin D, zinc, and folate, but conflicting evidence precludes definitive clinical recommendations for micronutrient supplementation.

This study found that serum levels of zinc, copper, and selenium were significantly lower in patients with alopecia areata compared to healthy controls, regardless of the number of hair loss patches.

This article discusses the need to focus on improving telogen effluvium and healing speed in hair transplantation but reports no new research findings.

Five monthly sessions of minoxidil-dutasteride-copper peptide tattooing significantly improve hair regrowth in men with androgenetic alopecia.

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.

This review discusses the connection between alopecia areata and trace element imbalances, noting deficiencies in elements like zinc and selenium, but reports no new clinical findings.

This review discusses the role of nutrients in hair graying management and finds a possible link between low copper, iron, and vitamin B12 levels and premature hair graying.

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 case series highlights severe micronutrient deficiencies and complications in three patients who did not adhere to follow-up care after Roux-en-Y gastric bypass, emphasizing the importance of regular nutritional monitoring.

This study found that melatonin may reduce the dose of prednisone needed for treating alopecia areata and its associated side effects by attenuating free radical damage on the immune system.

This article discusses the potential of copper tripeptide (GHK-Cu) to support collagen synthesis and antioxidant activity in the context of androgenetic alopecia but reports no clinical results.

This study suggests that reversible hypopigmentation in homocystinuric patients may result from tyrosinase inhibition by homocyst(e)ine, with in-vitro experiments showing copper sulfate reversing this inhibition.

This letter discusses the various risk factors associated with premature greying of hair, highlighting genetic predispositions, nutritional deficiencies, stress, and lifestyle factors, while noting a lack of conclusive data on effective interventions, as detailed in the reviewed studies.

This study found that in visceral-obese Korean adults, hair chromium and selenium levels were inversely associated with insulin resistance, while copper levels showed a positive association.

This review discusses various potential adverse effects of common oral vitamin and mineral supplements used in dermatology and highlights lesser-known issues like hematologic and neurologic effects from zinc.

This article explores how various nutrients and metabolic processes impact wool and hair follicle function in animals but reports no new experimental findings.

In this study, researchers developed a nanocomposite microneedle patch containing copper/zinc dual-doped silica nanoparticles, which release substances to promote hair follicle regeneration by targeting various pathophysiological aspects of androgenic alopecia, presenting an effective anti-hair loss treatment strategy.

This review discusses both conventional and new pharmaceutical treatments for hair loss, as well as various natural and herbal remedies, but reports no new clinical results.

This study found no significant difference in serum and hair levels of iron, zinc, and copper between female alopecia areata patients and healthy controls.

This study suggests that alterations in copper metabolism may play a key role in the development of androgenetic alopecia in women, presenting potential targets for treatment strategies.

This study found that higher concentrations of copper (II) ions in human hair increase protein oxidative modification, contributing to hair damage regardless of UV exposure and pigmentation level.

This study found that an increased calcium/magnesium ratio in hair and lower chromium concentration were associated with higher insulin resistance in Korean adult males.

This study suggests that specific combinations of human type I and II hair keratins, particularly K35-K85 and K36-K81, have distinct in vitro assembly properties that are significant for macrofibril formation.

The study described an outbreak of copper deficiency in dairy goats and kids in Pernambuco, Brazil, leading to various clinical and reproductive issues in the animals, including enzootic ataxia in kids.

This study found that hemodialysis patients taking water-soluble vitamins had a 16% lower mortality risk compared to those not taking any, but the specific supplementation needed remains unclear.

This study found that patients with androgenetic alopecia had deficiencies in certain trace elements and vitamins, which were linked to distinct patterns of hair loss connected to androgen levels.

This study found that a two-month antioxidant treatment significantly improved hair growth in patients with alopecia areata by enhancing antioxidant defenses and correcting trace metal imbalances.

This pilot study found no significant relationship between blood and hair mineral concentrations in generally healthy adults, though hair analysis may have potential for assessing long-term mineral trends.