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CD206+ macrophages are crucial for hair growth in alopecia areata treatment.

This study found that estradiol affects hair growth in mice by regulating the transition of hair follicles from rest to growth phases via the estrogen receptor pathway in the dermal papilla.

This review discusses the mechanisms of wound-induced hair neogenesis and its similarities with embryonic hair follicle development, but reports no new clinical results.

This case report observed that a 44-year-old male patient with androgenetic alopecia experienced increased hair density and patient satisfaction after treatment with microneedling, growth factors, and minoxidil.

This review outlines the histological structures of the skin, highlighting species and regional differences in dermal absorption and obstacles encountered in toxicological assessments due to epidermal thickness variability, contact dermatitis reactions, and stem cell vulnerabilities.

Various treatments can improve post-acne scars, but results vary.

This study demonstrated that enhancing human skin constructs with hair follicles through engineered cell organization and vascularization improved hair growth in immunodeficient mice, suggesting potential advances for treating alopecia and chronic wounds.

The researchers reported that they predicted associations between certain components of MSC-conditioned medium and its ability to stimulate cell migration in vitro, identifying factors affecting its biological activity.

This review discusses the role of corticotropin-releasing hormone in human skin, focusing on its regulation, receptors, and functions, and highlights parallels with the hypothalamo-pituitary-adrenal axis; it reports no new research findings.

This study found that the extract of Asiasari radix may promote hair growth in mice by enhancing protein synthesis, cell proliferation, and growth factor expression.

This review outlines recent advances in using stem cells for skin repair and regeneration, suggesting potential for complete skin and appendage regeneration after severe burns, but presents no new clinical findings.

Fibroblasts can be turned into melanocytes for potential skin treatments.

Microneedling combined with triamcinolone can safely stimulate faster hair regrowth in people with Alopecia Areata.

In this study, researchers used 3D bioprinting to successfully create engineered skin tissues with hair follicle-like structures, potentially enhancing skin grafts and safety testing for chemical compounds by more closely mimicking natural skin complexity.

This study indicates that Fructus panax ginseng extract may promote hair growth by increasing proliferation in human hair dermal papilla cells and lengthening the anagen phase in mice.

Human hair follicle cells can become fat and bone cells, useful for therapy.

This study presents a method using polarization-sensitive optical coherence tomography to accurately assess the depth of burn wound damage in the dermal collagen matrix, potentially improving diagnosis beyond traditional visual methods.

This study found that distinct keratin profiles enabled the evaluation of epithelial differentiation in human hair follicles, with mesenchymal cells playing a critical role in epidermoid differentiation of follicular cells.

This study reports that stimulating sensory neurons with capsaicin and isoflavone increases IGF-I production, promoting hair growth in mice and human volunteers with alopecia.

This study found that 5% primed conditioned medium from human umbilical cord blood-derived mesenchymal stromal cells significantly improved hair density, thickness, and growth rate in patients with androgenetic alopecia.

This study demonstrates that young coconut juice appears to have estrogen-like properties that can accelerate wound healing in ovariectomized rats.

In this study, using stirred-suspension bioreactors to expand dermal stem cells resulted in larger numbers, but had reduced efficiency in forming hair follicle structures compared to static culture conditions.

This study demonstrated that a 3D bioprinting technique using a gelatin/alginate hydrogel scaffold can regenerate entire hair follicles in mice, offering potential advancements in hair loss treatment.

This study observed that earlier-passage keratinocyte cultures led to superior hair follicle neogenesis in dermal-epidermal composites grafted onto immunodeficient mice, suggesting their potential utility in studying human hair follicle development.

This study found that dermis micrografting improved hair growth and density in patients with androgenetic alopecia over 4, 6, and 12 months, suggesting it could be a novel treatment option.

This study reports that the tetrapeptide AcSDKP significantly promotes skin and hair health in vitro and ex vivo, suggesting it could be used cosmetically to counteract skin aging and hair loss.

This study found that stem cells from human deciduous teeth promoted hair regeneration and increased hair formation in mice, suggesting a potential mechanism involving the Shh/Gli1 pathway.

In this study, epidermal stem cells were found to enhance blood vessel formation and support successful one-step transplantation of tissue-engineered skin in a rat model.

This study found that CD26+ fibroblasts are crucial for effective extracellular matrix production and achieving rapid epidermal and dermal homeostasis in human tissue-engineered skin substitutes transplanted onto rodents.

In this study, poly (ɛ-caprolactone)–chitosan–poly (vinyl alcohol) nanofibrous scaffolds used on canine skin wound models were found to significantly accelerate healing rates of excision and burn wounds, without inducing immunogenic reactions.