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The researchers reported that hair follicle germinative epidermal cells can form complex structures when associating with papilla cells in culture, unlike other types of epidermal cells.

This review discusses the advantages and progress of chitosan hydrogels in vascular regeneration for tissue engineering scaffolds, highlighting modifications to enhance their application and exploring future prospects.

This study demonstrated that a 3D air–liquid culture system using Wnt-CM-treated cells can induce hair regeneration in nude mice and may facilitate large-scale preparation for hair loss treatment.

This study demonstrated the potential of epithelial cell scaffolds fabricated with various materials for effective hair regeneration, highlighting their promising application in tissue engineering for alopecia treatment.

This study found that altering cell culture conditions to form three-dimensional papilla spheroids can restore the ability of human dermal papilla cells to induce hair growth in adult skin.

Hair growth is influenced by interactions between skin layers, growth factors, and hormones, but the exact mechanisms are not fully understood.

This study found that alginate spheres maintain dermal papilla cells in a dormant state with increased trichogenecity, suggesting potential benefits for cell therapy in androgenic alopecia.

This research reported that KDML105 bran extract demonstrated antioxidant activities, reduced nitric oxide production, and influenced gene expression related to the hair cycle in cultured dermal papilla cells, suggesting potential as an anti-hair loss agent by supporting the anagen phase and angiogenesis.

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

This review highlights recent advances in hair follicle research, noting that new 3D culture techniques have enabled formation of HF-like structures in vitro, offering potential benefits for alopecia and burn patients, but it reports no new clinical results.

This study found that co-culturing dermal papilla cells in a 3D structure with adipose-derived stem cells may enhance the expression of hair inductivity markers compared to 2D cultures.

This study found that microencapsulated human hair dermal papilla cells successfully induced hair follicle regeneration on the dorsal skin of nude mice, unlike control groups with free cells or empty microcapsules.

This study developed an in vitro artificial hair germ model using dermal papilla cells and skin keratinocytes to explore early stages of hair follicle regeneration.

This review discusses the conserved molecular mechanisms controlling hair follicle development and cycling and suggests they may also apply to other ectodermal derivatives, like teeth and feathers, but it reports no new results.

In laboratory tests and mouse models, this study found that the novel IPC analog SIG-1451 may offer potent anti-inflammatory effects for treating allergic skin inflammation, potentially outperforming some current therapies in specific inflammatory phases.

This study found that the methanolic extract of Carthamus caeruleus roots significantly reduced inflammation, promoted wound healing, and enhanced hair growth in experimental models, supporting its traditional use in Northern Algeria as a skincare remedy.

This review highlights the beneficial effects of certain herbal drugs in treating skin diseases, such as their healing, antifungal, antiviral, antibacterial, anti-inflammatory, and antitumor-promoting activities, emphasizing recent technical advancements in the field over the past 17 years.

This study found that the peptide derivative beta-Ala-Pro-Dab-NHbenzyl may reduce wrinkles and sebum production in human skin by inhibiting dipeptidyl peptidase 4, suggesting potential for acne and skin inflammation treatment.

This study found that implanting microencapsulated dermal papilla cells in rat ears led to hair follicle regeneration, suggesting a potential alternative to fresh isolated dermal papillae for inducing hair growth.

This study found that TPA was significantly more effective than mezerein in inducing dark basal keratinocytes in mouse skin, which may be important in early tumor promotion stages.

This study demonstrated that prevascularized human skin constructs containing engineered hair follicles can successfully induce human hair growth when grafted onto mice by promoting blood supply to the grafted skin.

This study found that 3D microtissue models of dermal papilla cells can enhance the ability to induce hair-follicle neogenesis in vivo, offering potential for controlled cell production in follicle regeneration.

This study found that TSA restored the hair-inductive capacity of skin-derived precursors in mice by enhancing BMP gene expression and signaling through histone acetylation.

This review introduces the morphological and molecular principles of hair follicle development but reports no new experimental results, focusing on recent insights and forming a working hypothesis.

This study demonstrated that intact adult human dermal papillae can induce hair growth when implanted into mouse hair follicles, highlighting their potential for advancing hair follicle biology and therapeutic approaches.

This study found that cultured mouse dermal papilla (mDP) cells can induce hair follicle neogenesis in de novo regenerated skin tissues grafted onto mice.

This study found that glucose metabolism supports hair inductive gene expression and hair shaft elongation in dermal papilla cells, suggesting potential applications for in vitro hair follicle generation.

This study suggests that human dermal fibroblasts can be converted into dermal papilla cell-like cells using microencapsulation, which may facilitate hair follicle regeneration in mice without chemical or genetic reprogramming.

This study found that poly(ethylene-co-vinyl alcohol) membranes support the self-assembly of dermal papilla cells into compact spheroidal microtissues capable of inducing new hair follicles, suggesting potential for large-scale production for hair follicle regeneration.

Nutricosmetics with active ingredients can help with hair loss and improve hair growth.