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In this study, researchers used computer-generated models to demonstrate that subtle changes in hair diameter, density, and style significantly affect perceptions of age, health, and attractiveness.

This study observed that patients with various types of hair loss had significantly lower serum zinc levels compared to healthy controls, suggesting zinc disturbance may play a role in the condition.

This study found that using the "Khalgai" hair care products enriched with copper and zinc for 28 days led to increased hair density, diameter, and follicular unit count in women, indicating improved hair morphology.

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 narrative review analyzed the literature on premature hair graying, identifying potential contributors such as nutrient deficiencies, oxidative and emotional stress, smoking, genetic factors, autoimmune diseases, and medication side effects, but reported no effective treatment to reverse it, underscoring the necessity for further research.

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 found that men with androgenic alopecia had significantly different hair copper levels compared to controls, but no difference in blood copper levels between the groups was observed.

This article discusses how nutritional and environmental factors, along with antioxidant supplementation, may improve hair growth by mitigating the effects of androgens and reports no new clinical results.

This review discusses the genetic and androgen-related factors in androgenetic alopecia, highlighting a specific polymorphism in the AR protein associated with male pattern hair loss, and reports no new clinical results.

This review covers hair dye formulations, their mechanisms, and potential applications, but reports no new findings; the authors highlight the process of oxidative dyeing and repairing damaged hair.

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.

This review discusses how nutritional and lifestyle modifications, including antioxidant use, may enhance hair growth and prevent hair loss without the need for Finasteride, but provides no new clinical findings.

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

This study found that variations in mineral content of hair, such as increased Zr in asthma and respiratory infections, may be linked to different illnesses, suggesting potential diagnostic use.

In this study, adolescent patients undergoing laparoscopic bariatric surgery at a specialized center experienced significant reductions in BMI over 36 months, with no major perioperative complications, highlighting the procedure's safety and effectiveness for treating adolescent obesity in experienced settings.

This study found that homocysteine-keratin accumulation in human hair increases towards the tips, linked to copper/iron-catalyzed demethylation of methionine, and may contribute to keratin damage.

This animal study found that second generation mice exposed to excess zinc during gestation and lactation had reduced plasma copper, body weight, and hematocrit, with lighter and delayed hair development compared to mice on a normal zinc diet.

This study found that sodium and potassium hair levels may serve as sex-specific indicators, with slight differences in copper and iron content between males and females, particularly during the female reproductive period.

Goat hair shows changes in metal levels and stress when goats move from indoors to mountain pastures.

This study reports improved methods for harvesting and processing keratinocytes from plucked human hair, enhancing their utility in generating donor-specific induced pluripotent stem cells more efficiently and reliably.

This case report associates severe zinc deficiency with long-term total parenteral nutrition, suggesting the need for trace element supplementation in such nutritional management.

This research observed that nanoliposomes delivering a combination of bioactive peptides significantly promoted hair growth in vitro and in vivo by enhancing the proliferation and function of hair growth-targeted cells in C57BL/6 mice, suggesting a promising approach for treating androgenetic alopecia.

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 mesenchymal stromal cell-conditioned medium for various skin conditions and found improvements in wound healing, hair restoration, and more, but emphasizes the need for further research to validate these findings.

This study found no differences in trace element concentrations between Finnish alopecia patients and the normal population, but noted significant serum copper variation among different alopecia subtypes.

In this study, researchers created a novel fibrous membrane inspired by ancient Chinese medicine that effectively promotes hair follicle regeneration and wound healing in deep burn injuries by releasing quercetin, copper, and silicon ions.

This review discusses the association between hair element levels and autism spectrum disorder, reporting links between neurotoxic elements like mercury and lead and pathogenesis, alongside potentially protective roles for zinc and copper balance.

This study reports that the peptide GPIGS, found in Bacillus sp. M18 conditioned medium, may promote hair growth through the PI-3K/Akt pathway and accelerate hair regrowth in mice.