ISDIN Flavo-C Forte Serum is an intensive vitamin C treatment designed to revitalize, brighten, and energize tired, dull skin. Formulated with 15% pure, fresh, and stable vitamin C, this powerful serum delivers visible radiance while helping combat signs of fatigue and environmental stress. Used as a 30-day intensive regimen, it helps improve skin luminosity, smooth texture, and enhance overall vitality. Lightweight and fast-absorbing, ISDIN Flavo-C Forte supports a more even, refreshed complexion, making skin appear brighter, healthier, and rejuvenated with consistent daily use.