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This study found that reduced expression of CD200R1 on monocyte-derived macrophages in rheumatoid arthritis patients was significantly associated with higher disease severity and an imbalance in Th17/Treg cells.

This study evaluated a herbal oil formulation in an animal model, finding it significantly enhanced hair growth initiation and completion times compared to a control, suggesting it as a natural and safer alternative to synthetic hair growth treatments.

Mouse hair cells respond to male hormones by growing less, and this can be stopped by certain blockers.

This study observed that SY red pericarp rice extract promotes hair growth, inhibits 5α-reductase, and enhances hair regeneration in mice, with the extract being safe from cytotoxicity and irritation, indicating its potential as a natural hair growth promoter.

This study found that bolandiol increased lean body mass and bone mineral density in castrate adult male rats, exhibiting tissue selectivity and acting through multiple receptor pathways with less potency compared to other androgens.

This study found that α-ketoglutarate protected dermal papilla cells from oxidative stress by enhancing the Nrf2 pathway and mitigating cell damage through the ERK/Nrf2 axis.

This study reported that thymol-loaded nanoparticles showed promise as an antibiotic-free treatment for acne by effectively targeting the infection without disrupting healthy skin microbiota.

This study found that physoxia improved hair follicle functions in co-cultures of dermal papilla cells and melanocytes by enhancing their biological activities and promoting hair growth and pigmentation.

This review discusses the development, regulation, and aging of the human hair follicle pigmentary system and suggests potential for reversing hair graying by manipulating follicle melanocytes in vitro, but reports no clinical results.

This study suggests that PRX01, PRX44, and PRX73 regulate extensin-mediated cell wall properties during root hair cell growth, influencing growth patterns, peroxidase activity, and cell wall thickness.

This study found that direct interactions between human dermal papilla cells and melanocytes under low oxygen conditions improved cell functions and could be important for hair regeneration efforts.

This paper introduces a new understanding that the human hair follicle medulla lacks metabolic activity for H2O2 breakdown, indicating that H2O2 decomposition occurs primarily in the cortical areas.

Smart microneedles improve hair loss treatment by delivering drugs precisely with fewer side effects.

This study reports that using a hydrogel-based therapy that dynamically regulates reactive oxygen species helps achieve skin regeneration in infected wounds, promoting organized dermal architecture with improved hair follicle and blood vessel formation, rather than scar formation.

This study developed a bioinspired hydrogel (BD@HH6) that exhibited strong antimicrobial and antioxidant properties, accelerated wound healing in mice by promoting angiogenesis and reducing inflammation, and represents a potential new approach for managing chronic wound infections without relying on antibiotics.

This review discusses the therapeutic effects of soft laser therapy on humans and animals, highlighting increased ATP and reactive oxygen species production in cells with high mitochondrial activity.

This study found that while 450nm blue light can inhibit collagen and induce oxidative stress in dermal fibroblasts, 850nm near-infrared light may enhance metabolic activity without causing oxidative damage, suggesting potential for tailored light therapies in skin treatments.

This study found that Polygonum multiflorum radix ethanol extract may promote melanin synthesis, potentially helping to turn gray hair back to black by enhancing antioxidant activity and increasing tyrosinase expression.

This study suggests that Lychnophora salicifolia Mart. extract in liposomal formulations could serve as an effective topical photochemopreventive agent by improving skin penetration and reducing oxidative and inflammatory damage from ultraviolet radiation.

This study suggests that patients with STSD show a different pattern in androgen activation compared to healthy controls, potentially due to increased 5α-reductase activity and absent prepubertal serum DHEA surge.

This study found that using hair steroid profiling, dutasteride treatment led to reduced dihydrotestosterone levels and DHT/testosterone ratio in patients with male-pattern baldness.

This study found that men with androgenic alopecia had significantly higher levels of certain urinary steroid metabolites, suggesting increased 5 alpha-reductase activity and possible mild hyperadrenal activity.

This study found that coffee berry extract demonstrated anti-aging properties in skin and hair cells, showing significant anti-collagenase activity and stimulating hair-related gene expression, suggesting its potential for use in cosmeceuticals.

Androgens, like DHT, affect hair growth and treatments like finasteride may help.

This study found that Eucommia ulmoides bark extract shows potential antioxidant and hair follicle-support properties in vitro and in vivo, but further validation is needed to confirm these effects.

This chapter describes the functions and purposes of hair care cosmetics, including shampoos, hair growth promoters, and grooming products, without reporting new experimental findings.

This review summarizes the bioactive compounds and pharmacological functions of Cynomorium songaricum Rupr., emphasizing its potential in developing health-related products, and notes that further research is needed.

In this study, researchers found that supramolecular peptide self-assembling materials derived from Pacific oysters exhibit promising effects for skin wound healing in vitro and in vivo, demonstrating procoagulant, antioxidant, anti-inflammatory, and regenerative properties that suggest potential as a natural treatment option.

This study found that while some extracts from DanGuiBoHyulTangGami-Bang showed potential in inhibiting 5-reductase type Ⅱ and had antioxidant activity, they were not effective in extending the hair growth period.

This study found that the multifunctional FEA-PCEI dressing significantly accelerated wound healing, reduced scar formation, and promoted hair follicle neogenesis while providing antibacterial and anti-inflammatory benefits.