• Shampoo designed to reduce hair loss caused by breakage, allowing it to grow long and strong. • Formula enriched with biotin and strengthening proteins, with a concentration of Pro-V nutrients three times higher than in other shampoos. • Developed by experts with 75 years of scientific research, certified by the Swiss Vitamin Institute. • Ideal for dry, damaged, and breakage-prone hair. • For best results, use it along with the conditioner, leave-in cream, and hair treatment from the Strength Growth line. • Product volume: 1 liter.