Onion shampoo by WOW Skin Science helps you with hair growth, hair loss issues, scalp buildups, dull and weak hair. Onion shampoo is formulated with organic ingredients like red onion seed oil extract, black seed oil, sweet almond oil and pro-vitamin B5 that helps to strengthen hair follicles and clarify blocked roots. It is infused with red onion extract with strong antioxidant properties that help protect the scalp and hair, promotes blood circulation to the roots.