Onion shampoos can contain a variety of ingredients, including: Onions: A rich source of vitamins, minerals, and antioxidants Ayurvedic ingredients: Such as kalonji (black seeds), aloe vera, brahmi, neem, amla, bhringaraj, jatamansi, and haritaki Helps nourish roots and protect weak hair thus helping reduce hairfall. Improves tensile strength of the strands to avoid breakage, makes hair lush and enhances shine Washes of dirt and buildup in the scalp and clarifies the roots. Nourishes hair roots and fortifies hair follicles helping with stronger hair and reduced hairfall. Onion Shampoo with black seed oil helps to revive your tiredness resulting in strong & lustrous hair. Regular use of onion shampoo improves hair texture and strengthens the strands.