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Hair color production is closely linked to the active growth phase of hair in mice and may also influence hair growth itself.

This study reported the development of two highly sensitive ELISA assays to detect banned substances finasteride and dutasteride in human urine, offering better sensitivity than existing HPLC/MS/MS methods.

This review suggests that mesenchymal stem cells' therapeutic effects might be due to bioactive substances they release, rather than the cells themselves, highlighting the potential of the MSC secretome as a novel, cell-free therapeutic approach.

This study found that flower extracts of Wedelia trilobata may serve as a promising active ingredient for cosmeceutical products due to their antioxidant, anti-inflammatory, and antimicrobial properties.

In this study, researchers identified several active metabolites in Eclipta alba, demonstrated strong interaction with Alzheimer's disease proteins, and found that 28 days of treatment improved memory without significant toxicity in rats, suggesting potential pathways for treating Alzheimer's.

Proteins like aPKC and PDGF-AA, substances like adenosine and ATP, and adipose-derived stem cells all play important roles in hair growth and health, and could potentially be used to treat hair loss and skin conditions.

This review discusses the research and development of vesicular carriers to enhance the delivery and effectiveness of active ingredients in cosmetic products, reporting no new clinical results.

This study developed an inexpensive method to provide initial data on both the photostability and toxicity of pure active principles and their photodegradation products.

This study found that the growth of hair ice on dead wood requires the biological activity of a winter-active fungus, specifically Exidiopsis effusa, which shapes and stabilizes the ice structures.

This study developed a method using HPLC with UV-DAD and ESI-MS detection to identify prohibited substances like minoxidil and hormones in cosmetic products advertised online for hair loss and skin conditions.

In this study, the researchers investigated the plant Vitex negundo and its active ingredients, noting that both natural and synthetic derivatives exhibit concentrated biological activity, which may explain the plant's traditional use in treating various ailments such as depression, malaria, and skin diseases.

This review article examines recent studies on the role of diverse immune cells in forming an active niche for hair follicles, offering new insights into hair growth and related diseases.

This article reviews the potential clinical use of anabolic steroids in treating muscle loss from chronic diseases and aging and highlights both the benefits and risks of these substances in sports.

This study found that the vitamin D receptor in lampreys, which lack bones and hair, binds 1,25-dihydroxyvitamin D3 and may function to induce enzymes for detoxifying substances.

This article reviews current research on spice-derived nutraceuticals for treating melanoma and skin cancer, noting emerging evidence that these natural substances may offer preventative and protective benefits against cancer, amidst increased global interest.

This study assessed the dermatologic potential of western red cedar, white spruce, birch, balsam poplar, and black spruce used in First Nations medicine, highlighting several active compounds relevant to dermatology, but noted a lack of high-quality evidence in existing research.

This study reviewed 54 articles to examine how continuous exposure to air pollution causes hair damage, hair loss, and scalp conditions due to oxidative stress and inflammation, and highlighted anti-inflammatory substances that could mitigate these effects.

In this study, oral administration of strawberry guava extract promoted hair growth in both mice and humans, with active components like adenosine, fructose, digalactosyldiacylglycerol, and pedunculagin contributing by enhancing skin blood flow and activating dermal papilla cells.

This study developed a new analytical method to identify a wide range of endocrine disrupting compounds in full-term amniotic fluid, revealing diverse substances with potential endocrine activity.

Acne can appear or persist in adulthood due to hormonal changes, external factors, or substance use, and requires appropriate treatment.

This study developed and validated an HPLC method to quantify impurities in finasteride, demonstrating its suitability for quality assurance of the drug and its related substances.

This study suggests that melatonin plays a role in hair follicle function by modulating growth and pigmentation, and it may act as a protective agent in active hair growth phases.

This review discusses surgical and future therapeutic options for cicatricial alopecia and reports no clinical results; the authors emphasize the need for more options for patients without active disease signs.

This study reviews existing literature on regenerative therapy for androgenetic alopecia, highlighting that integrating growth factors, biotin, D-pantenol, and other active ingredients using the Vittahair protocol may enhance hair follicle regeneration, increase hair density, and improve hair quality, providing a precise and evidence-based treatment alternative.

This review discusses the bioactive substances found in native Korean Pinus densiflora and koraiensis and highlights the need for more research on their industrial application, despite known physiological effects.

A substance called prostaglandin D2 is found more in bald scalps and it stops hair from growing. Blocking its receptor could potentially treat hair loss.

This review discusses various substances used in the treatment of alopecia, highlighting the roles of minoxidil and finasteride, but reports no new experimental findings.

This review discusses the skin's role in producing hormones and related substances, highlighting their potential in homeostasis and disease management, and reports no new clinical findings.

Female mice are less affected by certain substances that alter alcohol consumption compared to male mice.

This study found that while many shampoo ingredients are marketed as effective against hair loss, only caffeine, adenosine, placental proteins, and melatonin have moderate clinical evidence for efficacy, and a majority of other claimed active ingredients lack clinical trial verification.