Collagen and Improved Skin Hydration

• Dietary interventions in skin ageing: a systematic review and meta-analysis.

  • 2025-10-31
  • Meta-Analysis
  • Journal of physiological anthropology 44(1)
  • • Jun Yan Ng
    • Xuan Min Gail Yan Ng
    • Qi Yi Ambrose Wong
    • Fook Tim Chew

  • PubMed: 41174715
  • DOI: 10.1186/s40101-025-00408-4

  7 Insights on

  • Improved Skin Hydration

  • High evidence

  Several interventions improve skin hydration, including collagen (pSMD = 0.66 [0.29, 1.04], p = 5.99 × 10-4).

  Effect

  Beneficial

  Effect size

  Moderate

  Significant

  Yes