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This study found that compromised antioxidant activity in gray hair follicles affects both mature melanocytes and their immature precursors, linked to down-regulation of melanogenesis-related genes.

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

This study found that 4-(4-Phenoxybenzoyl)benzoic acid derivatives may act as antioxidants by scavenging certain reactive oxygen species but exhibit prooxidant behavior under specific conditions.

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 article reviews the traditional uses of Citrullus colocynthis for various conditions like cancer and jaundice but reports no new clinical results, underscoring its role in folk medicine.

This study found that a mixed extract of N. jatamansi, O. basilicum, and C. sativus, particularly when extracted via steaming and ultrasonic methods, increased antioxidant content, stimulated melanin production for black hair, and promoted hair growth in mouse models, while maintaining high cell viability.

In this study, researchers found that blackberry leaves exhibited higher liposoluble antioxidant levels and inhibited lipid peroxidation more effectively than raspberry leaves, while raspberry leaves showed greater water-soluble antioxidant content and hydroxyl radical inhibition in vitro.

This study found that Zizyphus jujuba, especially when fermented with Saccharomyces cerevisiae, showed strong antioxidative activity and effectively promoted hair regrowth and prevented hair loss in a mouse model.

This review discusses the antioxidant activity of natural polysaccharides, highlighting their potential applications in areas like drug delivery and tissue engineering, but reports no new experimental findings.

This article reviews the potential health benefits of onions, highlighting their anti-inflammatory, anticancer, and antioxidant properties, but does not report any new clinical results.

This review summarizes research finding over 150 new molecules with various biological activities from traditional herbal medicines studied in China, Mongolia, Uzbekistan, and Bangladesh.

This study found that the water extract of Bituminaria bituminosa demonstrated the highest antioxidant activity and α-glucosidase inhibition among tested extracts, but no cholinesterase or tyrosinase inhibition.

This study found that phenolic compounds from Quercus acutissima, particularly casuarinin, showed strong antioxidative, anti-inflammatory, and antiacne effects in mouse macrophage cells, suggesting potential therapeutic candidates for acne.

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 a strong correlation between antioxidant activity and phenolic content in rosemary, influenced by bioclimatic and seasonal factors in different stages of Tunisia.

This review updates the protective effects and molecular mechanisms of melatonin against ultraviolet-induced damage in human skin, reporting no new clinical findings.

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 review discusses melatonin's potential in dermatology, highlighting its antioxidative, immunomodulatory, and DNA repair properties, but reports no new clinical results.

This study found that adding Cinnamomum zeylanicum bark extract to a powder shampoo formulation significantly improved antioxidant activity without affecting its cleansing ability, although its clinical effectiveness remains to be tested.

This study found that pectin lyase-modified red ginseng extract may promote hair growth by enhancing antioxidant and anti-inflammatory activities, along with inhibiting testosterone-induced 5-alpha-reductase in human hair dermal papilla cells.

This study found that a hydro-alcoholic extract of Roselle petals may reduce free radical production during UV-induced photodecomposition of antibiotics, potentially offering protective benefits for patients using similar topical antibiotics.

This study evaluated Humulus lupulus (hops) extract in cosmetic formulations and found it to maintain antioxidant and anti-irritant properties, reducing erythema by 10% after three weeks of use, supporting its potential for skin health improvement in plant-based cosmetics.

This study found that Cerasus serrulata extracts, when obtained through specific methods, demonstrate significant antioxidative and antibacterial properties, as well as potential anti-alopecia effects in a mouse model, potentially making them useful supplements for these purposes.

This study found that Clinopodium bolivianum essential oil, particularly in combing cream, demonstrated notable antioxidant activity, with potential applications as a natural antioxidant in cosmetic formulations.

This review found that exposure to pollutants like PM, NOx, and PAHs is linked to various skin and hair disorders, indicating a need for cosmetics with natural adsorbents to reduce pollutant effects, achieving 30-55% removal efficiency.

This study found that Glehnia littoralis and Andrographis paniculata may support hair growth by protecting against oxidative stress and increasing VEGF and Wnt/β-catenin signaling in human hair follicle dermal papilla cells, with enhanced effects when combined.

This review discusses the use of natural products in cosmetic preparations for skin and hair care, but reports no new research results.

This study found that the plant Clausena anisata exhibited promising antimicrobial, antioxidant, and anti-inflammatory activities against acne-causing bacteria and inflammation, suggesting its potential as a candidate for further anti-acne treatment research.

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.