VICHY Mineral 89 Probiotic Fractions Serum is a repairing and strengthening serum designed to help skin recover from daily environmental stressors. It combines Vichy Volcanic Water with probiotic fractions, niacinamide, and vitamin E to strengthen the skin barrier, provide long-lasting hydration, improve radiance, and reduce the appearance of tired-looking skin. Its lightweight, fast-absorbing formula is suitable for most skin types, including sensitive skin, leaving the complexion smoother, healthier, and more revitalized with regular use.