15 citations
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June 2021 in “International Journal of Molecular Sciences” This study demonstrated that novel curcumin analogs CMC2.24, CMC2.23, and CMC2.5 were more effective and less toxic than parent curcumin in inhibiting melanin production in normally pigmented human melanocytes, suggesting potential for skin depigmentation therapies.
9 citations
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November 2004 in “Bioorganic & Medicinal Chemistry Letters” This study identified potent dual inhibitors of 5α-reductases 1 and 2 that may aid in designing new drugs for related diseases.
September 2022 in “The Korean Tea Society” This study identified several active compounds in Houttuynia cordata and found that most demonstrated significant antioxidant and acetylcholinesterase inhibitory activity, potentially useful for developing functional tea products.
6 citations
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March 2003 in “Archiv Der Pharmazie” This study reported that newly synthesized nonsteroidal compounds were effective at inhibiting prostatic 5 alpha reductase isozyme 2, especially the compound with an N, N-diisopropylcarbamoyl substituent, suggesting potential for treating benign prostatic hyperplasia.
13 citations
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March 2020 in “Frontiers in cell and developmental biology” This study suggests that 3,4,5-tri-O-caffeoylquinic acid activates β-catenin to enhance pigmentation in mouse hair follicles, human melanocytes, and melanoma cells during the hair cycle's growth phase.
This study found that 2-hydroxy-1,4-naphthoquinone was the most effective inhibitor of steroid 5α-reductase, showing stronger inhibition than avicequinone C in HaCaT cell assays.
10 citations
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January 2011 in “Skin research and technology” This study found that procyanidin oligomers bind to keratin and inhibit oxidative hair damage, suggesting their potential use in protective hair care products.
118 citations
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May 2015 in “European journal of pharmaceutics and biopharmaceutics” This study found that the pH-sensitive hydrogel HECHA13, containing isoliquiritigenin, effectively inhibited the growth of Propionibacterium acnes and showed promise for transdermal delivery in acne treatment.
10 citations
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October 2018 in “Plant Biotechnology” This study identified two cytochrome P450 enzymes in Avicennia marina leaves that may contribute to the biosynthesis of triterpenoids, potentially responsible for the plant's medicinal properties.
July 2025 in “ACS Pharmacology & Translational Science” In this study, maslinic acid applied topically was observed to stimulate hair growth in mice comparably to minoxidil, primarily activating pathways like Wnt/β-catenin, and suggesting a link between hair growth and cilia activity.
5 citations
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January 2011 in “International Journal of Cosmetic Science” This study found that 1,2,3,4-tetrahydroquinoline derivatives, particularly N-methyl-7-amino-1,2,3,4-tetrahydroquinoline, may be excellent blue dye candidates for human hair, offering superior color purity, stability, and fastness compared to 2,3-dihydroindoles.
4 citations
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January 2017 in “Biological & pharmaceutical bulletin” 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.
February 2026 in “ACS Applied Materials & Interfaces” This study developed a novel treatment method using carbon dots from Cinnamomum burmannii leaves, which improved hair regeneration and thickness in an AGA mouse model by promoting cell proliferation, angiogenesis, and reducing inflammation through multiple signaling pathways.
28 citations
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January 2016 in “RSC Advances” 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.
20 citations
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February 1968 in “Journal of Histochemistry & Cytochemistry” This study reports that citrulline, uniquely found in the inner root sheath of hair follicles, can be specifically detected with the carbamido diacetyl reaction, resulting in a bright orange color.
This chapter reviews various types of aromatic compounds and provides references, but reports no new experimental results.
12 citations
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May 2023 in “Molecules” This study identified seven potential enzyme inhibitors from a Polygonum cuspidatum extract using ultrafiltration combined with high-performance liquid chromatography. These compounds showed inhibitory activity against tyrosinase, α-glucosidase, and xanthine oxidase, with most discovered in this extract for the first time.
42 citations
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June 2019 in “Aging” This study found that treatment with the polyphenolic compound TCQA activated β-catenin, promoting hair regrowth and the initiation of the anagen phase in mice and human dermal papilla cells.
66 citations
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February 2010 in “CrystEngComm” Made 8 minoxidil samples; 1 cocrystal, 7 salts formed.
6 citations
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August 2004 in “Journal of Chemical Information and Computer Sciences” This study found that certain molecular quantum descriptors can be directly correlated with the biological activity of benzo[c]quinolizin-3-ones, potentially aiding in the identification and design of active compounds.
July 2026 in “Preprints.org” In this study, incorporating a novel amino acid compound into a hair-straightening formulation improved humidity-resistant straightening and enhanced the surface and mechanical properties of hair fibers, including increased bending stiffness, reduced friction, and better shape retention under high temperature and humidity conditions.
January 2025 in “Institutional Repositories DataBase (IRDB)” This study observed that topical application of maslinic acid stimulated hair growth in mice comparably to minoxidil, possibly through the Wnt/β-catenin pathway and involving ciliary gene activity, highlighting increased levels of trichogenic gene expression and protein levels.
This study found that Avicennia marina extract and its active compound avicequinone C inhibit enzymes and receptors related to androgenic alopecia, potentially supporting hair growth in cultured dermal papilla cells.
April 2018 in “Journal of Investigative Dermatology” The researchers reported that nicotinic acid normalized excessive sebaceous lipogenesis without affecting basal lipogenesis and suggested potential anti-acne benefits.
13 citations
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January 2017 in “Chemical & Pharmaceutical Bulletin” This study found that a synthetic avicequinone C analogue, 5e, was significantly more potent in inhibiting steroid 5α-reductase type 1 activity in human keratinocytes compared to the original isolated compound.
March 2026 in “Food Science and Biotechnology” In this study, oral administration of blue honeysuckle fruit extract was found to promote hair growth in mice by enhancing dermal papilla cell proliferation and activating β-catenin signaling, suggesting its potential use as a food or cosmetic product for hair regeneration.
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.
12 citations
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February 2010 in “Tetrahedron Letters” This article describes the synthesis of novel polyamine-modified minoxidil analogs and conjugates to potentially enhance minoxidil's biological activity, selectivity, and water solubility, but reports no new biological results.
8 citations
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January 2009 in “Transactions of the Materials Research Society of Japan” This study found that CMAD wool keratin may protect human hair from damage during repeated bleaching and permanent waving treatments.