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This study found that SHJ extract increased hair growth and melanogenesis in mice, suggesting potential use in cosmeceuticals for hair care.

In this study, onion (Allium cepa) extracts promoted hair growth in an alopecia model in mice, with the effect appearing unrelated to the presence of the polyphenol quercetin.

This review discusses the potential of topical nanoemulsions to transform skin cancer treatment by improving drug delivery and minimizing side effects, highlighting their advantages like enhanced skin permeation and controlled release, despite existing challenges.

This study demonstrates that Rac1 activity is essential for normal hair follicle formation but influences hair structure and pigmentation, in terminal differentiation, through alterations in hair shaft, cuticle, and pigmentation organization.

This study found that inhibiting PKC-β activity with bisindolylmaleimide reduces pigmentation in the skin and hair of guinea pigs and mice by preventing tyrosinase activation.

This review examines the traditional uses and biological activities of Glycyrrhiza glabra in Ayurveda, but reports no new clinical results; the authors identify a gap in evidence supporting its medicinal potential.

This study found that modulating BMP activity in transgenic mice affects the development and characteristics of several ectodermal organs, such as skin, hair, and claws, highlighting a stage-dependent influence on organogenesis.

This study found that cutaneous pyridoxal 5'-phosphate hydrolase activity may be carried out by an enzyme different from the classical tissue-nonspecific alkaline phosphatase in human and mouse skin.

This review highlights the traditional use and potential therapeutic activities of Asiasari Radix in drug discovery, but it reports no new clinical results.

This study found that mouse skin can produce and metabolize serotonin and N-acetylserotonin, with activity influenced by location, physiological skin status, cell type, and mouse strain.

This study reported that compounds isolated from Alpinia zerumbet significantly promoted hair cell growth and exhibited anticancer activity in cell cultures, suggesting potential as treatments for alopecia and cancer.

This study found that Carthamus tinctorius exhibited the strongest 5α-reductase inhibitory and hair growth promoting activities among evaluated Thai herbs, suggesting potential for developing alternative hair loss treatments.

This review highlights Nigella sativa L. (black cumin) as a plant with numerous health benefits, noting its rich nutritional profile and reported therapeutic effects such as antioxidant and anti-inflammatory activities, identified through various in vitro, in vivo, and clinical research studies.

This review highlights the diverse potential medicinal properties of kavalactones from Alpinia zerumbet, which include antioxidant, anti-cancer, and anti-inflammatory activities, among others, and suggests fields for further research.

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 found that DHA, a derivative of artemisinin, shows potential as a cosmetic ingredient due to its anti-aging, anti-hair loss, antibacterial, whitening, and anti-glycation activities.

This study found that cucurbitacin I from bitter melon most effectively inhibited the growth of lung cancer cells and promoted hair cell growth in cell cultures.

In this study, researchers found that skin pigmentation alterations in a mouse model of Carney complex may be caused by specific dermal fibroblasts promoting melanogenic signaling.

This review discusses the role of intrinsic skin signals, rather than serum signals, in regulating melanin synthesis and hair pigmentation, but reports no new experimental data.

This review discusses melanocyte development, emphasizing the plasticity of melanoblasts and the role of both intrinsic and extracellular signals in their differentiation and migration, with no new clinical results reported.

This study suggests that the susceptibility of hair follicle melanocytes to oxidative stress as they age may be key in the graying of hair due to reduced catalase expression and activity.

This review discusses the changes in hair follicles with aging, particularly graying due to decreased melanocyte activity, and suggests potential for hair repigmentation under certain conditions, but reports no new results.

This study suggests that apigenin may stimulate hair growth by downregulating TGF-ß1 gene expression in human epidermal keratinocytes and promoting hair follicle elongation in a rat hair follicle culture.

This study established the R-7 dermal papilla cell line, which retained essential characteristics of primary cells without undergoing malignant transformation, suggesting its potential for future hair research.

In this study, researchers used a new method with platelet-rich plasma-loaded microcarriers to enhance dermal papilla cell activity and hair follicle regeneration, achieving significant hair and vessel growth in a mouse model compared to control groups.

This study found that extracts from Geranium pyrenaicum show promising antioxidant, enzyme inhibitory, and antiviral activities, particularly the methanolic extract's antiviral activity against HSV-1.

This article discusses skin changes during pregnancy and emphasizes the importance of recognizing these physiological manifestations to prevent unnecessary tests and stress for pregnant patients; it reports no new study findings.

This review explored the use of six tropical plants, such as Acacia concinna and Garcinia mangostana, as natural active ingredients in shampoos, highlighting their beneficial physicochemical properties and biological activities for hair care and scalp maintenance.

This study reports that PDRN, commonly used for wound healing, may also have anti-melanogenesis and potential skin whitening effects in both experimental models and clinical settings.

This review discusses the therapeutic and pharmacological potential of total glucosides of paeony in dermatological treatment and notes the need for more rigorous scientific studies.