Everyone wants the best Onion shampoo or oil for thick and soft hair. To resolve this issue one can also use onion shampoo as well. It is believed that onion juice is helpful for hair growth and it also prevents further hair fall as well. Customers can choose the best onion shampoo from various brands. These brands are Mamaearth, Wow Skin Science, Biotique, Just Herbs, Videx, etc.