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This review discusses the pharmacology, toxicology, and clinical efficacy of flavonoids and saponins, highlighting the need for more data on their pharmacokinetics, interactions, and toxicities as most research is still in vitro.

This study found that extracts from Tridax procumbens and Ouratea spectabilis reduced seed germination and inhibited root and hypocotyl growth in lettuce, indicating potential allelopathic effects.

This study suggests that phytochemicals from natural sources could be safer alternatives to conventional treatments for hair loss, as they may activate key pathways involved in hair growth.

This review highlights the multifunctional benefits of plant-derived ingredients in skincare, such as antioxidant and anti-inflammatory effects, supported by biological evidence from medicinal plants like Camellia sinensis and Panax ginseng, suggesting their potential as natural dermocosmetic agents.

This review discusses the isolation, structure, and bioactivity of lignans and neolignans from 2016 to mid-2018, reporting no new clinical results but highlighting their potential protective properties against diseases such as cancer and neurodegeneration.

This study highlights the significant pharmacological potential of Tridax procumbens, a plant with various therapeutic properties such as liver protection, immune modulation, and wound healing, though it notes that more research is needed to identify its active compounds and mechanisms for drug discovery.

The researchers reported that a polyherbal hair dye using Phyllanthus reticulatus fruit provided effective color, stability, and scalp compatibility without irritation, positioning it as a safe and eco-friendly alternative to synthetic dyes.

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.

This review found that secondary metabolites from herbal plants, including flavonoids and alkaloids, show potential in promoting hair growth through mechanisms like anagen phase prolongation and enzyme inhibition, but more clinical trials are needed to confirm their efficacy.

This study explored the role of plant-derived monomers in reversing grey hair, finding that compounds like fraxinol and morin may stimulate melanin production and tyrosinase activity, suggesting potential therapeutic benefits, although further evaluation of their safety and efficacy is needed.

This study identified a new lignan and 21 known compounds from Asiasarum heterotropoides roots, with two compounds showing potential anticancer activity by influencing NO production, FOXP3 expression, and HIF-1α activity in vitro.

This study provides detailed taxonomic and pharmacognostic analyses to authenticate and standardize seven herbal medicines, aiding in their differentiation from common adulterants for improved identification and classification.

This review examines the phytochemistry, biological activities, and potential applications of Akebia species in medicine and cosmetology, highlighting the differences in chemical composition between A. quinata and A. trifoliata.

This source reviews the potential of polyphenols as therapeutic and preventive treatments for common skin disorders such as acne, fungal infections, dermatitis, alopecia, and skin cancer, emphasizing their anti-inflammatory and antimicrobial effects and ability to penetrate the skin barrier.

This review explores medicinal plants as potential treatments for hair loss, suggesting their promise due to anti-inflammatory and antioxidant properties, but reports no new clinical results.

This study found that compounds isolated from Indian medicinal plants showed good to moderate hair growth activity in vivo compared to minoxidil.

This study found that a mixture of plant extracts significantly improved skin barrier function, reduced inflammation, and exhibited anti-aging effects in human skin cells.

This review discusses the antidiabetic properties of secondary metabolites found in 112 plants, but reports no new clinical results.

This study found that ethanol and petroleum ether extracts of Tridax procumbens roots demonstrated significant antibacterial activity against various bacterial strains compared to benzene extracts.

This narrative review reports that well-selected plant extracts and their active compounds may improve hair health by promoting hair growth and preventing hair loss, potentially aiding in developing targeted therapies for alopecia.

This literature review on neurocosmetics found that both nature-derived peptides and synthetic molecules can improve skin concerns like aging and pigmentation, while also promoting emotional well-being; however, gaps in long-term efficacy and personalized approaches remain.

This review highlights that nanotechnology enhances the solubility, stability, and bioavailability of phytochemicals from medicinal plants, improving their therapeutic efficiency in disease models like cancer and infections. However, it indicates that further research is necessary to optimize formulations and ensure safety for clinical use.

This study establishes a robust analytical method using mass spectrometry to comprehensively identify 170 chemical compounds in Xiaoban Kangfu capsules for enhanced quality control.

This study identifies various phytochemicals in Thuja orientalis bark, potentially aiding its botanical identification and quality standardization.

This study identified 1965 different metabolites in various tissues of *Oresitrophe rupifraga* Bunge using a targeted metabolomics approach and found significant metabolic differences between its aboveground and underground parts, providing insights into the plant's unique growth traits and potential cultivation and utilization.

This study reports that a Rutin-loaded nanophytosomal formulation with improved physical stability can enhance the bioavailability and antioxidant property of rutin for use in food and pharmaceutical products.

This study found that Equisetum arvense, or horsetail, water extracts prepared with polyethylene glycol in an ultrasonic bath yielded the highest levels of phenolic compounds, such as hydroxycinnamic acids and flavonoids, indicating that this method improves the release of biologically active substances.

This review investigated the phytochemical variations in different medicinal parts of the plant *Alpinia zerumbet*, finding distinct chemical compositions between leaves, rhizomes, fruits, seeds, and flowers, which supports the traditional use of these parts for various medicinal purposes.

This source reviews recent research on Ginkgo biloba, highlighting its medicinal benefits due to compounds in the leaves and concerns over toxic alkylphenols in seeds. It also discusses patents for its food production uses and ongoing studies on toxicity and drug interactions.

This study found that extracts from Indian gooseberry leaves showed strong antimalarial activity against Plasmodium falciparum, with low cytotoxicity, suggesting potential for developing new antimalarial drugs.