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This study suggests that the C-terminal of AHF is crucial for its binding to keratin bundles and modulating the keratin meshwork in hair follicles.

In this study, the combination of biologically engineered hyaluronic acid and polyquaternium-10 improved hyaluronic acid's retention and moisturizing effects on hair by forming a stable complex that increased binding affinity to keratin.

This study found that non-toxic polycarboxylic acids can achieve satisfactory hair perming effects with limited strength loss, suggesting they have potential as a safer alternative to harmful perming chemicals.

This study concludes that dietary L-serine supplementation shows promise as a long-term therapy for hereditary sensory and autonomic neuropathy type 1, reducing neurotoxic 1-deoxysphingolipid levels and improving symptoms in severe cases.

This study concluded that there was clear evidence of carcinogenic activity of C.I. Acid Orange 3 in female F344/N rats but not in male rats or B6C3F1 mice of either sex.

In this study, 1'-S-1'-acetoxychavicol acetate (ACA) from Alpinia galanga showed potential in suppressing testosterone-induced hair loss by inhibiting Nox isozymes in a mouse model of androgenetic alopecia.

This study found that 2-ethylhexanoic acid impaired fertility in Wistar rats and delayed postnatal development of pups, suggesting potential reproductive toxicity at certain dosages.

This study found that 1′S-1′-acetoxychavicol acetate from Alpinia galanga inhibits Nox isozymes and suppresses testosterone-induced hair loss in a mouse model of androgenetic alopecia.

This study found that inhibiting arachidonate 12-lipoxygenase (ALOX12) may enhance hair cuticle maturation by increasing S100A3 protein citrullination and promoting cuticular differentiation in isolated human hair follicles.

This study found that the methanolic heartwood extract of Avicennia marina significantly inhibited the enzyme 5 alpha-reductase type 1 in a cell-based assay, suggesting potential anti-androgenic effects for treating androgenic alopecia.

This study found that a new deoxycholic acid derivative may offer a similar prostatoprotective effect to finasteride with lower toxicity in rat models.

This study found that 3-hydroxypropionic acid improved the function of hair follicle cells under oxidative stress, suggesting potential as a treatment for stress-related hair loss.

Hair amino acid levels can indicate metabolic disorders.

This study found that cis-urocanic acid can engage in non-enzymatic reactions with reactive sulphur species, forming new metabolites, and suggests sulphide donors may protect against UVB-related toxicity.

In this study, HA-P5, a nanoparticle derived from peptide and polysaccharide conjugation, effectively reduced acne lesions and sebum production by inhibiting specific receptors in cells, without triggering unfavorable reactions compared to a commercial inhibitor, highlighting HA-P5's potential as a novel acne treatment.

The researchers reported that protocatechuic acid reduced melanin synthesis and enhanced antioxidant activity in cultured human hair follicle melanocytes, indicating potential for skin whitening applications.

This content contains no study findings or new results, instead referring only to statistical methods and figure captions.

This study found that co-drugs synthesized from hydroquinone and tranexamic acid improved skin targeting and deposition, with reduced irritation and enhanced efficacy for treating hyperpigmentation.

This study found that the alkaline degradation process of hair keratin using nucleophilic reagents led to different proportions of reaction products compared to wool, particularly more lanthionine and lysinoalanine residues.

This study found that combining shikimic acid with Prunus mume fruit extract significantly reduces type I 5α-reductase levels in testosterone-stressed skin sebocytes, surpassing the effects of shikimic acid or standard acne treatments alone, and shows promise for stable, non-irritating acne remedies in cosmetic formulations.

This study found that valproic acid is effective in controlling absence seizures and can improve other seizure types, but 20% of patients experience mostly transient adverse reactions.

In this study, researchers developed a new topical atraric acid formulation, AA-TF#15, which showed a significantly higher drug penetration and increased hair regrowth in mice compared to minoxidil and finasteride treatments, suggesting its potential effectiveness for treating scalp androgenic alopecia.

This study identified AH01 derivatives and related compounds with high antischistosomal efficacy and reduced antiandrogenic effects, suggesting potential new directions for schistosomiasis drug development.

This study developed a reliable RP-HPLC-DAD method, finding that amino acid concentrations in bleached hair decrease with higher hydrogen peroxide levels, notably affecting cystine.

This study highlights that azelaic acid, initially recognized for skin hypopigmentation, shows potential in treating various skin conditions due to its complex mechanisms, even though these are not yet fully understood, indicating a need for further research.

This study evaluated the safety and effectiveness of HASHA, a new hyaluronic acid injectable, for chin augmentation in adults with chin retrusion. HASHA significantly improved chin appearance and satisfaction over 12 months compared to controls, with only mild or moderate transient adverse events.

This review discusses azelaic acid's mechanisms and uses in dermatology, noting its effectiveness in treating conditions like rosacea, acne, and melasma, but reports no new clinical results.

In this study, HDAC inhibitors promoted the differentiation of rat C6 glioma cells through the production of 5α‐reduced neurosteroids, enhancing serotonin-stimulated BDNF gene expression.

This study found that inhibiting class I histone deacetylases in postnatal mouse dermal cells preserved their ability to induce hair follicles during culture by increasing specific gene expressions and activating the Wnt signaling pathway.

This study found that the new HCC additive enhances the permeation of pigments and active ingredients into hair, suggesting potential use in developing functional cosmetic hair products.