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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 the water extract of Eclipta prostrata L. may protect skin cells against UVB-induced damage, likely due to its antioxidant properties and absorption of UVA and UVB radiation.

This study found that several local vegetables from Northern Thailand demonstrated significant antioxidant and 5α-reductase inhibitory activities, suggesting their potential for development into health-promoting products.

In this study, researchers developed a halal shampoo containing Centella asiatica and Phyllanthus emblica extracts, finding that a formula with specific concentrations exhibited high antioxidant activity and ideal physicochemical properties for hair cleansing and potential hair growth promotion.

In this study, the SFE-4 extract from coffee pulp demonstrated potential effects for treating androgenetic alopecia by enhancing cell proliferation and gene expression related to hair growth pathways in vitro, using human hair follicle dermal papilla and prostate cancer cells.

This study found that the Dongeui Hot Spring Water complex (Dongui Hot Spring Water CPX), containing sea slug extract and panthenol, demonstrated higher antioxidant activity and cell proliferation, suggesting potential benefits for preventing hair loss and improving scalp health.

In laboratory conditions, this study found that the Dongeui Hot Spring Water Complex, containing sea slug extract, demonstrated enhanced antioxidant activity and promoted hair papilla cell proliferation compared to a control, suggesting potential benefits for scalp health and hair loss prevention.

This study found that Sinseon-yukza-hwan extract has strong antioxidative properties, effectively inhibiting free radical generation, which supports its potential use as a natural antioxidant.

In this study, researchers formulated a herbal hair oil with natural ingredients and reported that 56.25% of participants experienced increased hair growth and 50% had reduced hair fall after 3 months, without significant side effects.

This study investigates the effects of Tenebrio molitor as a novel biomaterial for preventing alopecia and promoting hair growth, but reports no conclusive results.

In this study, Rosa multiflora root extracts showed strong antioxidant activity and promoted expression of growth factors IGF1 and PDGFB, suggesting potential use as a natural hair growth agent.

This study found that extracts from the plant Platycodon grandiflorum, particularly the butanol extract, demonstrated potential in preventing hair loss by showing significant antioxidant activity, promoting cell proliferation, and inhibiting inflammation in various cell models.

In this study, an antioxidant-rich herbal hair mask with flaxseed and rice water was developed and showed 72% DPPH radical scavenging activity, stable physical parameters, and effective spreadability and foamability, suggesting it may be a cost-effective, environmentally-friendly alternative to artificial hair products.

This study evaluated a polyherbal hair oil formulation that included hibiscus flower and other plant extracts, suggesting it may increase hair growth, reduce hair loss, and provide dandruff protection.

The fermented mixture may help hair growth and has antioxidative benefits.

This study suggests that Tenebrio molitor larvae extract may promote hair growth and prevent hair loss by enhancing cell proliferation and protecting against cytotoxicity in laboratory settings.

This study found that pectin lyase-modified red ginseng extract (GS-E3D) may promote hair growth by enhancing antioxidant and anti-inflammatory effects, proliferating hair dermal papilla cells, and inhibiting 5α-reductase activity.

This study found that ultrasonic (ethanol) extracts of Salvia miltiorrhiza bunge and Scutellaria baicalensis were most effective for cell proliferation, while ethanol and ultrasonic waves (water) methods had high antioxidant activity, suggesting their potential in functional cosmetics.

This study developed a novel treatment method using carbon dots from Cinnamomum burmannii leaves, which improved hair regeneration and thickness in an AGA mouse model by promoting cell proliferation, angiogenesis, and reducing inflammation through multiple signaling pathways.

This study concluded that the antioxidant and hair growth activity of Trigonella plants were higher compared to Geranium wallichianum, with a potential correlation between antioxidant activity and hair growth in albino rats.

In this study, a hydro-alcoholic extract of Urtica dioica demonstrated in vitro antioxidant activity, potentially linked to its ferulic acid content.

This study found that a combination of H. rosa-sinensis L. and B. racemosa extracts produced the most hair follicles in stress-induced alopecia in male Wistar albino rats.

This study found that platycodon ethanol extract showed potential as a natural ingredient for hair loss prevention by increasing radical scavenging ability, inhibiting inflammation, and affecting DHT generation in laboratory experiments.

This study found that Sithong-bao seed coat extract, with high phenolic content, exhibited the strongest antioxidant properties among certain Thai tamarind cultivars, suggesting potential for nutraceutical development.

This study found that the heartwood extract of Avicennia marina demonstrated strong antioxidant activity, with an IC50 value of 61.50 µg/mL, suggesting potential for development into supplements or topical applications targeting degenerative diseases related to oxidative stress.

This study found that DK peptides demonstrated potent inhibition of 5α-reductase, suggesting they may be promising candidates for treating hair loss.

This study found that P. cornucopiae extract showed antioxidant and protective effects on human skin fibroblasts, suggesting its potential as an antiaging agent by preventing oxidative stress-induced collagen breakdown.

This study demonstrated that human hair keratins have strong antioxidative properties, providing protection against oxidative stress in human dermal fibroblasts, suggesting their potential as antioxidizing supplements.

This study reported that zinc nanoparticles synthesized from Monotheca buxifolia leaf extract demonstrated significant antimicrobial, antioxidant, and moderate hair growth-promoting activities, with potential use as a bacterial biosensor.

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.