The Cosmo Onion Oil Strengthen Shampoo is a powerhouse formula designed to stimulate hair growth, reduce hair fall, and strengthen hair fibers. Enriched with onion oil extract, this shampoo boosts circulation to the scalp, encouraging thicker, healthier hair growth. Onion oil is known for its antibacterial and antioxidant properties, which help prevent scalp infections, dandruff, and premature graying. The nourishing formula also contains essential proteins and vitamins that work to restore weakened hair strands, improving volume, shine, and overall hair texture.