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Hair coloring and bleaching can permanently break down hair protein and temporarily change its properties.

This study suggests that inaudible sound at 30 kHz may promote hair growth and inhibit hair loss signals in human dermal papilla cells, indicating potential as a new treatment for androgenic alopecia.

This review discusses how using hydrogels as a three-dimensional culture platform for mesenchymal stem cells might affect the production of extracellular vesicles, highlighting challenges in standardization and opportunities to boost EV yield via combined hydrogels and bioreactor methods.

Minoxidil helps hair cells live longer and grow longer.

This study found that PHBV cocultured with epithelial and dermal cells might enhance early-stage wound healing by promoting wound closure and re-epithelization more effectively than PHBV/collagen.

This study found that adiponectin promotes hair growth in cultured human hair follicles, suggesting its receptors could be a target for clinical hair growth strategies.

This study found that bleached hair showed optimal protein structural integrity and tensile strength at pH 5, with significant changes in cross-linking, water content, and diameter at more alkaline or acidic levels.

In a study on mice, cow placenta extract showed strong antioxidant activities and reduced collagen damage, suggesting it could help delay skin aging caused by D-galactose.

In this study, researchers found that recombinant human HAPLN1 promoted hair growth in mice and human hair matrix cells by activating specific signaling pathways, suggesting it may offer a potential hair loss treatment with fewer side effects than existing medications.

This narrative review explores how psychological stress may contribute to premature skin aging by affecting dermal collagen and elastin remodeling through neuroendocrine, molecular, and cellular pathways, highlighting potential therapeutic targets to preserve skin structure and function.

In this study, platelet-rich plasma injections in mice were associated with faster hair growth and increased expression of the Wnt10b protein in hair follicles, suggesting potential benefits for treating alopecia.

This research review observed that topical hormone replacement therapy, particularly estradiol and estradiol-testosterone combinations, significantly increased Type I and III collagen synthesis in the skin of postmenopausal women, suggesting benefits against collagen loss-related skin aging effects such as reduced elasticity and increased dryness.

This study suggests that oleanolic acid may promote hair growth in mice with testosterone-induced androgenetic alopecia by activating the Wnt/β-catenin pathway and influencing various molecular levels.

This study found that Urticadioica L ethanol extracts enhanced hair growth and reduced catagen transition in human hair follicles in an ex vivo organ culture model.

This study found that Anigozanthos Flavidus flower extract may improve skin elasticity and reduce wrinkles by increasing essential extracellular matrix proteins in both in vitro and in vivo settings.

Researchers found that diammonium glycyrrhetate at 0.01 μmol/L significantly promotes human hair follicle growth in vitro and increases hair matrix cell activity, potentially through activating the Wnt/β-catenin signaling pathway.

In this study, researchers found that Ganoderma Lucidum extract and Ganoderic acid A significantly improved hair follicle growth and delayed hair loss progression, based on in vitro, ex vivo, and 24-week human clinical trials, suggesting potential as a therapeutic for androgenetic alopecia.

This study found that Ganoderma Lucidum extract and its active component, Ganoderic acid A, improved hair cell proliferation and growth factor expression in lab and clinical settings, demonstrating significant hair loss inhibition effects when used in shampoo and tonic formulations over 24 weeks.

This study found that, compared to oxidative treatments, reductive perm-waving more severely impacts the intermediate filaments in European human hair, while both treatments alter denaturation kinetics in a first-order manner.

This review discusses the effects of vacuum massage on skin structures and concludes that there is insufficient evidence for its efficacy in treating burn scars, suggesting more research is needed on its potential benefits and mechanisms.

This study found that keratinocyte stem/progenitor cell-conditioned medium significantly enhanced hair growth in mice and increased the proliferation of human hair follicle cells.

This study introduces a novel in vitro model for clubfoot fibrosis to enable high-throughput drug screening and found that while the model increased collagen deposition, the antifibrotic drug minoxidil effectively inhibited the expression of collagen cross-linking enzymes.

This review reports that oral collagen peptide supplements may improve skin elasticity, hydration, and wrinkle appearance while also supporting hair and nail health and wound healing, but emphasizes the need for longer, high-quality studies due to current research limitations and variability in findings.

This study found that marine-derived collagen peptides slightly promoted hair matrix proliferation and prolonged hair growth phase in human hair follicles ex vivo, suggesting potential benefits for hair loss treatment.

This study suggests that bovine and fish-derived collagen peptides may help maintain or prolong the hair growth phase and balance hair follicle stem cell populations, potentially benefiting aging and hair loss conditions like androgenetic alopecia.

This study demonstrated that an RO formulation significantly improved neck wrinkles after 8 weeks of application, compared to a placebo, in Japanese female subjects.

This study found that topically applied melatonin exerts significant anti-aging effects on human scalp skin ex vivo, including increased SIRT1 expression and reduced mTORC1 pathway activity.

The study found that growing dermal papilla cells in 3D spheroids enhances their activity with hair growth-promoting agents, such as minoxidil and TCQA, compared to traditional 2D cultures.

This review discusses the role of traditional Chinese medicine and bioactive materials in chronic wound healing and reports no new clinical results.

In this narrative review, researchers found preliminary evidence suggesting that minoxidil, both topical and oral, may enhance nail growth and improve nail strength and appearance, though more extensive studies are needed to confirm its efficacy and safety for this off-label use.