Yes, it would be better if the shampoo does not contain silicone oil. Shampoo without silicone oil can reduce irritation to scalp and protect hair. Some substances in shampoo containing silicone oil are harmful to human body. It is recommended to buy shampoo without silicone oil. The difference between silicone oil and silicone oil-free shampoo is that silicone oil-free shampoo does not contain silicone oil and other ingredients, while silicone oil-containing shampoo contains these ingredients. The function of silicone oil is to keep shampoo liquid at room temperature. Shampoo containing silicone oil is not harmful to human body. There are various brands of shampoos on the market. When choosing, you'd better choose the shampoo that suits you. Improper shampoo can easily cause dandruff. If you choose a good shampoo, your hair will be smoother and more shiny. The knowledge of hair care is great. You can learn more about this knowledge.