January 2012 in “Zhongguo shengwuzhipinxue zazhi” This study found that a complex filling material made from autologous skin fibroblasts and hair keratin significantly improved the appearance of facial wrinkles, suggesting potential for clinical cosmetic applications.
May 2026 in “Zenodo (CERN European Organization for Nuclear Research)” This review highlights that natural hair dyes from plant-derived pigments can produce viable colors on gray hair with low irritation potential, though they face challenges in shade range and consistency; some products may also be adulterated, affecting safety perceptions.
May 2026 in “Zenodo (CERN European Organization for Nuclear Research)” This review summarizes current research on natural hair dyes, reporting that plant-based formulations can safely provide viable colors on gray hair with minimal irritation compared to synthetic options but face challenges in color range and consistency.
April 2026 in “Clinical Cosmetic and Investigational Dermatology” This review highlights the varied therapeutic applications of punch-based techniques in dermatologic surgery, noting consistent evidence for follicular unit extraction in androgenetic alopecia, but more mixed results for scar treatment, vitiligo, and chronic wounds, warranting further standardized research.
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September 2020 in “Stem Cell Research & Therapy” This review discusses strategies to enhance mesenchymal stem cell therapy effectiveness but reports no new clinical results; it highlights the need for improved consistency and efficacy in MSC-based treatments.