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In this laboratory study, researchers reported that Camellia sinensis seed flavonoids significantly reduced oxidative stress and inflammation in UV-irradiated skin cells by modulating key signaling pathways, highlighting its potential as a skincare ingredient for anti-inflammatory and anti-photoaging benefits.

This study found that, despite confirming MC1R expression and functional cAMP signalling, α-MSH treatment did not alleviate UVA-induced stress in adult dermal fibroblasts, suggesting that α-MSH-MC1R may not directly protect against UVA-induced photoaging in these cells.

This chapter provides dermatologists with an overview of scalp and eyebrow camouflage products, techniques, and procedures, including topical products, hair prostheses, and cosmetic tattoos, to better manage hair loss encounters outside traditional medical care, as noted by the authors.

This study found that Camellia oleifera leaf extracts, especially the 50% ethanolic extract, have significant antioxidant activity and may offer promising bioactive compounds for cosmetic and pharmaceutical uses.

This study found that Camellia japonica seed extract promotes hair growth by preventing premature cellular senescence and enhancing the activity of hair follicle stem cells in cases of pattern hair loss.

In this study, researchers tested a tea leaf ethanol extract (Camellia sinensis) hair tonic and found it increased average hair growth compared to positive and negative controls over 28 days, but exhibited some instability and inhomogeneity after accelerated testing.

This study focused on developing a safe, natural herbal shampoo that effectively cleanses, strengthens, darkens, and promotes hair growth without using synthetic chemicals, suggesting it as a viable alternative to synthetic options in hair care.

This study found that Camellia oleifera seed shell polyphenols and 1,3,6-tri-O-galloylglucose improved androgenetic alopecia symptoms in mice by reducing DHT levels and activating specific hair growth pathways.

In this experimental study using male rabbits, researchers found that a 7.5% concentration of green tea leaf ethanol extract hair tonic was nearly as effective in promoting hair growth as the positive control, minoxidil, over a 21-day period.

This study found that tribuloside, a flavonoid from Tribulus terrestris L., enhances melanin production in human melanocytes, zebrafish, and human skin samples without causing toxicity, potentially through inhibiting PDE to increase cAMP levels and promote the melanin biosynthesis pathway.

This study suggests that cold atmospheric microwave plasma treatment may promote hair renewal by activating β-catenin and YAP/TAZ signaling in human dermal papilla cells.

This article reviews the use of green tea for hair loss prevention and regrowth, highlighting its potential effects on dermal papillae, but reports no new clinical results.

This study found that a 5% concentration of terentang stem bark extract was the most effective in promoting hair growth in male rabbits.

This study found that a hair tonic formulated from green tea extract showed similar hair growth-promoting activity to 2% Minoxidil in rabbits, without causing skin irritation or bacterial contamination.

In this study, a 5% black tea extract hair tonic showed hair growth-promoting activity in rabbits, achieving 9.62 mm growth by day 18, with all tested formulas proving physically stable.

This study suggests that a topical emulsion containing Camellia sinensis and Allium cepa extracts may show promise for treating alopecia areata in Wistar rats.

This study found that camel hair from Afif has suitable physical and chemical properties for textile production and its characteristics can be enhanced with chemical additives like acetic acid.

Different methods like wigs, extensions, and devices can help improve hair volume for thinning hair.

This study reported that a 4% water fraction of green tea leaf extract showed the most effective hair growth promotion in rabbits.

This study reviewed existing literature and found that green tea may have potential as a treatment for male androgenetic alopecia, demonstrating hair growth stimulation and fewer adverse reactions compared to minoxidil, despite being used in smaller concentrations.

This study observed that β-catenin overexpression in human squamous cell carcinoma cells led to increased CREB expression, which significantly enhanced clonogenic activity, suggesting CREB as a β-catenin-regulated factor promoting cancer characteristics.

This study found that local therapy with trichoriboside and trichosaccharide significantly increased cAMP levels in hair follicles of men with androgenic alopecia, with trichoriboside showing greater activity.

This study found that adenosine promotes hair growth by stimulating the Wnt/β-catenin pathway in cultured human dermal papilla cells through activation of the adenosine receptor.

This review discusses methods to hide or reduce the appearance of hair loss using hair prostheses and camouflaging agents, and reports no new clinical results.

In this study, micropigmentation was reported to be an effective method for camouflaging hair loss and scalp scars in Korean patients, with high satisfaction in 42 out of 43 cases.

This study found that the methanolic heartwood extract of Avicennia marina significantly inhibits 5α-reductase type 1, reducing 5α-DHT production by 52% in a cell-based assay with human hair dermal papilla cells.

This article discusses the use of hair transplantation as a reconstructive method to restore hair in various areas affected by defects, highlighting its advantages in providing natural-looking restoration.

This study found that fermented camel milk containing 50% pumpkin seed milk significantly improved oxidative stress markers in rats and enhanced sensory and physicochemical properties compared to untreated groups.

This review discusses various methods to conceal hair loss, such as wigs and hair transplants, and reports no new clinical results; the authors evaluate each option's pros and cons.

This review discusses various methods to conceal hair loss, such as wigs and hair transplants, and reports no new clinical results.