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This study found that washing hair with surfactants reduces the internal density of hair due to cuticle lifting, and suggests that a cuticle-sealing strategy can inhibit this effect and maintain hair homeostasis.

This study explored using tyrosine as a cross-linking agent for curling Asian hair and found that it could shape hair effectively before washing without damaging the fibers, though the method was less effective after washing compared to commercial products.

This study found cutaneous keratinic amyloid deposition in dogs and identified cytokeratin 5 as an amyloid precursor protein, revealing new insights into the etiology of cutaneous amyloidosis.

This study found that early onset androgenetic alopecia in males is associated with a higher frequency of metabolic syndrome, particularly dyslipidemia, compared to controls.

This study suggests that APC collagen peptides may accelerate hair growth and promote overall hair health by enhancing cellular proliferation and activating specific signaling pathways in human and mouse models.

In this study, researchers observed that metabolite expression patterns, including sugars, lipids, amino acids, and nucleotides, affect hair follicle growth in cashmere goats, with feeding practices potentially influencing these cycles via hormone and vitamin levels.

This study found that individuals with Alopecia Areata had distinct gut microbiome characteristics, including reduced species richness and specific microbial biomarkers, suggesting a potential link with oxidative stress.

This review highlights that while vitamin and mineral supplementation shows limited impact on hair loss treatment, deficiencies in iron, zinc, and vitamin D are common among patients with telogen effluvium.

This study identified significant metabolic differences between volar and non-volar skin in mice, revealing distinct amino acid, sugar, and nucleotide metabolism patterns associated with skin type differentiation.

In this study, oral supplementation with NMN for 12 weeks in middle-aged Japanese women significantly increased hair growth density and diameter and improved subjective assessments of hair texture and quality of life, with no significant changes in hair hormone concentrations observed.

In this study, a 90-day course of a plant-based supplement significantly improved hair density, skin hydration, and nail growth among participants with dermatological concerns, while also reducing hair fall and pigmentation, without adverse effects.

New mutations in the hairless gene may cause hair loss and affect bone development.

This study found that control of Demodex mite colonization in mice required skin ILC2s and IL-13, highlighting their role in maintaining HF integrity and limiting mite overgrowth.

This study found that taking oral FKH supplements for 90 days improved facial skin, hair, and nail appearance, and highlighted the role of free L-amino acids as potentially beneficial beyond their protein-building functions.

This paper describes the synthesis of (16S,20S)-3β-hydroxy-5α-pregnane-20,16-carbolactam from tigogenin without presenting new experimental results.

This study found that using an aqueous solution of AMPD in hair bleach reduced both hair damage and odor compared to ammonium hydroxide.

This study suggests that melatonin may enhance wool growth in cashmere goats by activating sulfur metabolism genes and high-sulfur protein genes, which are crucial for providing sulfur-containing amino acids needed for wool quality.

RAGE is a potential target for melanoma treatment, but its effectiveness is uncertain due to variable expression levels.

This ex vivo study found that hair follicles in female pattern hair loss exhibited nutrient insufficiency and dormant metabolism, but maintained nutrient uptake capability, suggesting potential benefits of nutritional supplementation as an adjunct therapy.

This study found that surgical deactivation of migraine headache trigger sites can significantly reduce migraine symptoms, with 92% of patients reporting at least a 50% reduction in migraine frequency, duration, or intensity.

This study reports that despite normal cystine incorporation into hair follicles, trichothiodystrophy patients have decreased cystine levels in hair shafts, contradicting the hypothesis of defective transport in hair follicles.

In this study, Pilopeptan® Intensive, a nutritional supplement containing hydrolyzed collagen, Group B vitamins, and zinc, was found to significantly improve hair parameters in telogen effluvium patients, with sustained benefits observed posttreatment, although mild side effects were reported by some participants.

This study found that two novel nonsteroidal derivatives inhibited specific enzymes in vitro and in vivo, leading to dihydrotestosterone accumulation in androgen-dependent glands, suggesting potential therapeutic use for mood improvement in the elderly.

This study found that combining oral isotretinoin with topical treatments was more effective than topical treatments alone for improving frontal fibrosing alopecia symptoms, despite some side effects.

This review evaluates the potential of natural products from marine microorganisms for cosmetic applications and reports no new experimental results, highlighting challenges and prospects in their use.

This study found that serum HDAC1 levels are significantly higher in patients with alopecia areata compared to those with acne vulgaris and healthy controls, suggesting potential therapeutic opportunities for HDAC inhibitors.

This article discusses the history and understanding of Tay syndrome, recognizing it as a distinct condition related to ichthyotic erythroderma, mental retardation, and brittle hair but reports no new clinical results.

This research highlights dermatologists' concerns about the widespread use of sports supplements, noting that nutritional supplements associated with muscle-building and appearance enhancement can lead to dermatological issues like acne and alopecia, while potentially containing harmful substances such as undisclosed anabolic steroids.

This study found that patients with tropical chronic pancreatitis exhibited significantly reduced plasma amino acid levels and antioxidant capacity, with folate deficiency identified as a key factor in hyperhomocysteinemia.

In this pilot study, no significant differences were observed between memantine and placebo groups in young adults with Down syndrome on the primary memory outcomes, but some improvement was noted in a secondary measure.