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In this study, researchers developed a shampoo using ambon banana peel and green tea leaves, reporting that it showed positive characteristics and was safe for addressing hair loss, with optimal viscosity levels achieved in certain formulations.

This study concluded that hair tonic formulations using extracts of green tea leaves, celery leaves, or their combination can effectively promote hair growth in guinea pigs, with the fastest growth seen using a 2.5% green tea to 7.5% celery leaf extract ratio.

In this clinical trial, oral consumption of a persimmon leaf extract-containing complex significantly increased hair density and thickness over 24 weeks compared to a placebo, although improvements in hair gloss were not statistically significant.

This study investigated the antioxidant and anti-inflammatory effects of the plant extract BLH308 and its potential to reduce hair loss, showing significant antioxidant activity in vitro.

This study investigated whether combinations of green tea leaf and gotukola extracts could act as a hair growth stimulant but reports no definitive results on the most effective combination.

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

This review compares nanoemulsion formulas from several plants, such as argan and candlenut oils, which showed enhanced effectiveness in promoting hair growth in animal tests.

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 article reviews the use of herbal ingredients in hair care products, highlighting their potential benefits for scalp health, hair growth, and condition, while also discussing challenges such as individual sensitivities and the importance of transparent labeling.

This study found that a combination of 5% green tea leaf extract and 2.5% gotukola extract stimulated hair growth effectively, achieving a growth rate of 2.689 cm in 28 days.

This study developed a novel hair-straightening shampoo incorporating a polyphenol–inorganic sulfate redox agent, finding that it effectively straightens hair while enhancing strength and reducing damage due to its protective polyphenol coating.

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 review concluded that a herbal hair tonic formulated with 2.5% green tea leaf extract, in combination with specific solvents and additives, showed the best properties for stimulating hair growth.

This research investigates the potential of green tea leaves and herb gotukola for promoting hair growth, but it reports no new experimental results.

This study found that a cosmetic formula containing 2% Orthosiphon stamineus leaf extract significantly reduced skin oiliness and pore size, showing better results than a formula with 1% zinc gluconate.

This study formulated and evaluated a Moringa oleifera-based shampoo bar, finding it has a safe pH, does not cause irritation, and is favored by 64% of respondents, with potential hair loss reduction benefits and environmental advantages over liquid shampoos.

This review discusses plant extracts for dermatological use, highlighting evidence that some can reduce edema in chronic venous insufficiency or help treat actinic keratoses, but it reports no new clinical results.

This study evaluated herbal hair gels made with extracts of flax seed and curry leaves, finding that the formulations offered good texture, stability, and sensory appeal while promoting healthy hair and scalp without irritation, making them suitable for regular use.

This study evaluated green tea extract-loaded spanlastic formulations and found that a vesicle builder to edge activator ratio of 8:2 produced optimal characteristics, including a particle size of 419.70 nm, an entrapment efficiency of 60.85%, and a drug loading of 11.07%.

In this study, the methanol-ultrasound extract of Dendropanax morbifera leaf showed potential for use in functional cosmetics and hair growth products due to its high antioxidant capacity and effects on growth factor expression without cytotoxicity.

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 reported that green tea extract may promote the excretion of copper into the hair in mice.

In this study, researchers evaluated the effects of green spinach leaf extract on hair growth in New Zealand rabbits and found that the 15% concentration formula resulted in the highest average hair growth compared to other concentrations and controls.

In this study, the researchers optimized the extraction conditions for crude polysaccharide from Hibiscus rosa-sinensis leaves, achieving a yield of 9.66% and demonstrated strong antioxidant activities in vitro.

This study found that Kyoh®, a flavonol-rich extract from rocket leaves, may promote hair growth by enhancing the expression of hair growth-related genes in laboratory conditions.

This study developed EGCG-loaded nanohydrogels using ethyl cellulose and polyvinyl alcohol to enhance the stability and delivery of the hydrophilic drug in aloe vera gel, optimizing encapsulation efficiency and drug release properties.

This study used an ex vivo human skin model to show that tropical conditions disrupt skin homeostasis, resulting in epidermal thickening and junctional flattening, and found that Kombucha tea extract may help preserve skin structure under such stress.

This study investigated the photoprotective properties of Brazilian pepper tree extract against UV-induced damage in skin cells, reporting that it enhanced expression of genes relevant to skin health and showed superior activity compared to standard antioxidants.

This study evaluated a hair tonic formulated from oil palm leaf extract, finding it demonstrated very strong antioxidant activity and could prevent hair decolorization from sun exposure, with effective concentrations ranging from 25 to 200 ppm.

This study examined the phytochemicals and antioxidant activities of methanolic extracts from Cameroonian Prunus africana bark and Leea indica and Paullinia pinnata leaves, identifying various phenolic compounds and significant antioxidant properties through multiple assays.