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This study suggests that interfollicular epidermal keratinocytes with stem-like features may serve as an alternative to follicular keratinocytes for hair regeneration by supporting hair follicle morphogenesis in vivo.

This chapter reviews the anatomy and physiology of hair follicles but reports no new research findings or clinical results.

In this study, researchers found that thrombin may influence cyclic hair growth through its receptor PAR-1, although it does not seem to stimulate dermal papilla cell proliferation physiologically.

This study found that garlic exosomes induced hair growth in rats by increasing anagen follicle counts and activating multiple signaling pathways, including Wnt-1, β-catenin, and TGF-β1.

This review explores the interactions between the skin, peripheral nervous system, and immune system and reports no new results; the authors highlight the importance of understanding these connections for various skin conditions.

This study demonstrates that dermal white adipose tissue regulates human hair growth and pigmentation through hepatocyte growth factor secretion, highlighting potential therapeutic targets for hair-related disorders.

This study explored the complex developmental processes of human hair, emphasizing the intricate interactions required for hair follicle morphogenesis and its implications for drug incorporation and concentration interpretation, particularly in early childhood.

This study reports that Hair RiseTM microemulsion, made from plant extracts, significantly enhanced hair follicle cell growth and improved hair growth signaling pathways, suggesting it as a plant-based alternative for androgenetic alopecia treatment.

In this study, researchers developed a novel platform for discovering potential hair loss inhibitors by investigating the testosterone/dihydrotestosterone biosynthetic pathway and its regulation through biochemical mechanisms involving 17β-HSD and 3β-HSD, combined with medicinal plant extracts.

In this study, researchers detailed how hair follicles regenerate after microsurgical amputation, observing a wound reaction involving dynamic dermal-epidermal interactions and changes in extracellular matrix components.

This study found that CD34+ cells from adipose tissue may enhance hair morphogenesis and participate in blood vessel formation in reconstituted skin tissues of mice.

In this study, transplantation of rat hair follicle stem cells significantly improved sciatic nerve regeneration and muscle function in nerve-injured rats.

This review examines the mechanisms of hair follicle development and regeneration, discussing current hair loss treatments and emerging therapies like low-level laser therapy and stem cell therapy, which the authors suggest show promise in managing hair loss.

This study found that HIF1 and mTORC1 signalling were active in both basal cell carcinoma and trichoepithelioma, but the pathways do not reliably differentiate between the two.

This study found that early pigment cell markers Sox10 and c-KIT, as well as DCT/TRP-2, were detectable in melanogenically-active melanocytes of the anagen bulb in human hair follicles.

This study found that the K19 promoter is active in certain gastrointestinal cancer cells and its activity is influenced by the interaction between GKLF and Sp1 transcription factors.

This review discusses the role of hair follicle stem cells as active signaling centers in skin homeostasis, highlighting recent advancements and reporting no new clinical results.

This review discusses the potential benefits and challenges of using hemp actives like cannabinoids, terpenes, and flavonoids in skincare products, emphasizing their anti-inflammatory, antimicrobial, and antioxidant properties and strategies to enhance their penetration and integration in natural and sustainable cosmeceuticals.

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 review highlights the potential of permeation enhancers to improve the delivery of active ingredients across the skin, optimizing therapeutic outcomes despite challenges posed by individual variability and environmental factors, according to the authors' analysis of current understanding and applications in skincare and transdermal therapies.

In this study, transgenic mice expressing a truncated form of latent transforming growth factor-β-binding protein exhibited altered hair cycles due to increased active transforming growth factor-β, impacting keratinocyte proliferation and hair cycle phases.

This study found that injecting bone marrow-derived mesenchymal stem cells and conditioned medium into mice promoted hair follicle stem cell proliferation and transition to active growth phases, suggesting potential clinical targets for hair loss treatment.

In this study, researchers found that hair follicles and dermal fibroblasts, including dermal papilla cells, supported sustained hair growth in transplanted murine models, with RNA-seq analysis revealing active signaling pathways and gene expression patterns.

This review highlights that while low-dose oral minoxidil appears well-tolerated in cancer patients post-chemotherapy, its use during active chemotherapy has shown potential benefits but remains under investigation, with preclinical studies suggesting a protective effect against chemotherapy-induced alopecia.

This study found that Gynostemma pentaphyllum leaf hydrodistillate (GPHD) promoted hair growth in mice similarly to minoxidil and upregulated growth factor expression via the AKT/β-catenin signaling pathway, with damulin B identified as an active component contributing to these effects.

This review highlights the potential of nanotechnology-based formulations in hair care and treatment, emphasizing how these innovative materials can enhance the stability, efficacy, and safety of active compounds while addressing the limitations of conventional formulations.

In this study, Stat3 activation in transgenic mice led to a decrease in stem cells in the hair follicle bulge, suggesting its crucial role in epidermal growth and stem cell maintenance.

This study reported that the expression of sulfotransferase enzymes in hair follicles remained stable during treatment with topical minoxidil, indicating consistent metabolic activity throughout the treatment period.

Keratin-associated proteins are crucial for hair strength and structure.

This chapter reviews laboratory models used for studying alopecia therapies but provides no new experimental findings.