November 2025 in “Journal of Clinical Practice and Medical Research” This study analyzed techniques to create the popular "sun-kissed" hair look on dark-to-medium blonde (Level 5–6) tones, concluding that a 2–3 level differential, targeted placement across three cranial zones, and acidic glossing are essential for optimal results.
4 citations
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February 2025 in “Nutrients” This randomized controlled trial found that consuming *Gynostemma pentaphyllum* extract significantly improved hair elasticity, density, and diameter over 24 weeks without severe adverse events, suggesting it as a safe functional food ingredient for hair health improvement.
21 citations
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July 1988 in “Clinics in dermatology” This article reviews haircare practices and hair cosmetics for patients with alopecia, emphasizing healthy scalp maintenance and caution in styling; it reports no new clinical results.
24 citations
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June 2020 in “Industrial Crops and Products” This study reports that biomass activated carbon fibers derived from metaplexis japonica seed hair effectively adsorb methylene blue dye, demonstrating high capacity and rapid adsorption performance.
2 citations
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January 2015 in “Elsevier eBooks” The document says biodegradable cosmetics and packaging are better for the environment and user experience.