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This study found that ethanolic extract of Hibiscus rosasinensis flowers may act as a hair growth retarding agent in female rats, potentially useful for hair removal products.

In this case series, the topical botanical formulation GASHEE demonstrated significant improvements in hair regrowth without adverse events among patients with hair loss, including cases where previous treatments had failed.

In a study using a rat model, researchers developed injectable hydrogels from antler reserve mesenchyme which enhanced regenerative healing of full-thickness cutaneous wounds by creating a fetal-like niche that increased stem cell presence and modulated gene expression related to wound healing.

The method effectively analyzes human hair proteins, especially nonfilamentous ones.

This study reports that BMP2 expression in goat skin is higher during late telogen and early anagen phases, indicating a potential role in hair follicle regeneration.

This trial found that intradermal injections of the Hair Stimulating Complex were well-tolerated and effectively stimulated hair growth and prevented hair loss in male pattern baldness participants over 18 weeks.

This study found that human placenta extract may be a promising pulp-capping material, causing less intense chronic inflammation and thicker dentine bridge formation compared to mineral trioxide aggregate in dogs' teeth.

In this study, RNA-Seq analysis identified 2717 genes differentially expressed between anagen and telogen hair follicle stem cells in cashmere goats, potentially involving several signaling pathways in vitro.

This study found that Lepidium sativum leaf extract significantly downregulated VEGF, TNF-α, and SRD5A2 gene expressions in HaCaT cells, suggesting potential benefits for inflammatory and androgen-dependent skin disorders.

This study cataloged several long non-coding RNAs and microRNAs in cashmere goat dermal papilla cells, suggesting these non-coding RNAs may play a role in hair follicle stem cell activation and hair growth.

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.

Hhip-Cre effectively targets dermal papilla cells for gene manipulation in hair biology.

This study found that the natural extract e-CAF promotes the proliferation and migration of human hair dermal papilla cells in vitro, suggesting potential benefits for skin regeneration and tissue repair.

According to this study, human scalp hair follicles containing pluripotent stem cells demonstrated the ability to differentiate into cardiac muscle cells and other cell types, suggesting potential applications in heart and nerve regeneration.

This study investigated the formation of Type III brush hair in Chinese Haimen goats and identified genetic factors that may involve heat stress in the process.

This study found that Helianthus annuus oil promoted hair growth in a testosterone-induced alopecia mouse model, with higher hair density observed compared to untreated mice, though it was less effective than the standard minoxidil treatment.

This review article summarizes the phytochemistry, preparation methods, applications, and potential therapeutic benefits of fenugreek-based hair oil, suggesting its use as a natural remedy for hair growth, scalp health, and conditioning, while also noting its safety and future potential in cosmetic and pharmaceutical formulations.

This research formulated a herbal hair oil using ingredients like pumpkin seed, bhringraj, and amla to reduce DHT levels and stimulate hair growth, with findings suggesting that the product is stable, suitable for the scalp, and free from toxic chemicals.

This study found that using henna dye positively affected hair cuticula pattern and diameters compared to undyed hair, though the degree of change may vary based on hair phenotype and condition prior to treatment.

This study found that applying a hair mist with dandelion extract before heat perming improved wave efficiency, tensile strength, and hair cuticle condition compared to a base mist or no pretreatment, demonstrating the extract's protective effects against heat damage.

This study found that applying an ethanol extract of Prasiola japonica improved hair regrowth, length, and follicular density in testosterone-induced hair loss conditions in mice, while also promoting dermal papilla cell proliferation and reducing dihydrotestosterone production, though effects were less pronounced than those of minoxidil.

This study found that ethanolic extract and fractions of Ceiba leaf tonic may enhance rabbit hair growth similarly to 2% minoxidil.

This study examined gene expression in cashmere goats and identified key pathways and molecular regulators that influence hair follicle growth stages and melatonin's role in promoting cashmere growth.

This review highlights that extracts from *Hamamelis virginiana* (witch hazel) exhibit antimicrobial, anti-inflammatory, antioxidant, and wound-healing properties in various studies, showing promise for future therapeutic use in dermatology and cosmetology, particularly for skin treatments.

This study found that using elastic nano-liposomes to deliver palmitoylethanolamide improved its transdermal delivery and enhanced its skincare effects, with minimal cytotoxicity and no allergic reactions observed.

In this animal study, rosehip seed oil applied to the skin of mice promoted hair regrowth by accelerating hair follicles' transition from resting to growth phases and increased hair follicle density, bulb size, and skin thickness, suggesting potential as a treatment for hair loss.

Human hair keratin can be used in many medical applications.

This study found that Poria cocos extract may enhance human follicle dermal papilla cell proliferation through the AKT signaling pathway, indicating its potential for hair growth promotion.

This study found that keratin films made from human hair can potentially substitute for human nail plates in drug permeability studies, but they show higher sensitivity to penetration enhancers compared to bovine hooves.